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Dimension

dimension.dev
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The character

dusk-lit workspace with frosted glass panels

darkaiDM Sans
Colors
11
Typefaces
3
Components
12
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Copy a design guide, CSS variables or tokens into your next project.

The design language

Dimension operates as a dusk-lit AI workspace: deep matte-black canvases (#0a0a0a) carry frosted-glass panels, pill-shaped controls, and whisper-weight headlines that lean on medium weights (500) rather than bold statements. The system is almost entirely achromatic — white and warm grays do all the talking — punctuated by a signature gradient hero that transitions from warm amber through to cobalt blue, evoking a sunset bleeding into a product UI. Components are lightweight and round: 9999px pill buttons, 10px UI radii, 24px card radii, with hairline 1px borders rather than heavy shadows. The visual rhythm is quiet, controlled, and editorial — every element feels placed rather than dropped, with generous breathing room and a single violet glow (#6b62f2 at 0.565 alpha) as the only chromatic accent, used sparingly in linear gradient washes.

Inside this designColorsTypographySpacing & shapeGuidelinesComponentsSurfacesCompositionNotes

Color palette

accent

Dusk Violet

#6b62f2

The only chromatic accent — used at 0.565 alpha in a horizontal gradient wash to add a single pulse of color to the dark UI; Radial glow accent — concentrated violet center fading to white, used as spotlight or product reveal moment

neutral

Void Canvas

#0a0a0a

Primary page background, base surface for the dark UI shell

Graphite

#161616

Elevated surface for floating panels, pill nav bar, modal bodies — one step above canvas

Frosted Glass

#d4d4d4

Translucent panel fill at 10% opacity over dark surfaces — creates the frosted overlay look on the floating nav and feature cards

Ink Black

#000000

Icon strokes, SVG fill, deep contrast elements on light surfaces

Snow White

#ffffff

Primary CTA fill, headline text on dark surfaces, card backgrounds — the inverted counterweight to the dark canvas

Bone

#ededed

Primary readable text on dark surfaces — slightly warmer than pure white, reduces glare

Ash

#c2c2c2

Secondary body text, helper copy, de-emphasized labels

Slate

#686868

Muted text, link text, tertiary metadata, timestamp-style labels

Smoke

#b2b2b2

Disabled or idle button text, integration label text in ghost controls

Hairline

#e5e5e5

1px borders on dark-surface controls — appears as a light edge against the dark canvas, creating definition without weight

Typography

Type scale

Minor Third (1.2) · 15px base
display72px · 500 · 1 · -2.52px tracking

The quick brown fox jumps

heading-lg48px · 500 · 1 · 0px tracking

The quick brown fox jumps

text-4040px · 500 · 1.2

The quick brown fox jumps

heading36px · 500 · 1.11 · 0px tracking

The quick brown fox jumps

text-3232px · 600 · 1.5

The quick brown fox jumps

heading-sm24px · 500 · 1.33 · 0px tracking

The quick brown fox jumps

subheading18px · 500 · 1.5 · 0px tracking

The quick brown fox jumps

body16px · 400 · 1.5 · 0px tracking

The quick brown fox jumps

Font samples use locally available fonts and fallbacks.

Aa
Primary typeface

DM Sans

Weights
500
Sizes
13px, 14px, 15px, 16px, 18px, 40px, 72px
Line height
1.00–1.56
Letter spacing
-0.035em at 72px and 40px, +0.025em at 13–16px UI scale
Fallback
Inter

Primary display and body face — used for the 72px hero headline (weight 500, -0.035em tracking) and all 16px body/UI text. The weight-500 display choice is anti-convention: most sites push 700+ for hero headlines, but DM Sans at 500 with tight tracking achieves authority through restraint and modernity through geometric clarity.

Aa
Additional typeface

Geist

Weights
400, 500, 600
Sizes
14px, 16px, 18px, 24px, 32px, 36px, 48px
Line height
1.00–1.71
Fallback
Inter

Secondary face for feature headings and editorial body — Geist's mono-adjacent precision adds a technical, product-aware texture to section headings (32px/600, 36px/500, 48px/500). The 24px body usage in Geist creates a slightly more compressed, information-dense reading rhythm compared to DM Sans.

Aa
Additional typeface

system-ui

Weights
400, 500
Sizes
18px
Line height
1.5

system-ui — detected in extracted data but not described by AI

Spacing & shape

Spacing

Density
comfortable
Max width
1200px
Section gap
64-80px
Card padding
28px
Element gap
8-16px

Border radius

ui10px
cards24px
icons4px
panels42px
buttons9999px
largeCards40px

Spacing scale

2px
4px
6px
8px
10px
12px
14px
16px
20px
22px
24px
28px
32px
40px
44px
48px
56px
64px

Guidelines

Do

  • Use 9999px border-radius for all primary buttons, nav links, and tag/pill elements — the pill shape is the system's defining silhouette
  • Set display headlines to DM Sans 72px weight 500 with -2.52px letter-spacing — never go bolder than 500 for hero text
  • Default to #ededed for body text on dark surfaces and #161616 for text on white surfaces — avoid pure #ffffff for body copy to reduce glare
  • Use 1px solid #e5e5e5 hairlines for all borders on dark-surface elements — never use heavy 2px+ borders or box-shadows for definition
  • Apply the warm-to-cool gradient (amber → cobalt) only to hero or spotlight sections — never to UI controls or cards
  • Maintain 8–16px element gaps within components and 64–80px section gaps between major blocks — the rhythm is generous but not maximalist
  • Use the Dusk Violet (#6b62f2) accent only in gradient washes, never as a solid fill on buttons, text, or backgrounds

Don’t

  • Do not use box-shadow for elevation — the system relies on translucency, hairline borders, and surface contrast instead
  • Do not introduce additional brand colors — the 2% colorfulness is intentional; any new hue breaks the monochromatic discipline
  • Do not use border-radius below 4px or above 42px on cards — the 24px/40px/42px card radii are the system's sweet spot
  • Do not set hero headlines to weight 700 or above — the weight-500 restraint is the signature, not a suggestion
  • Do not use Geist for body text below 24px — DM Sans handles 13–18px UI text, Geist begins at the subheading level
  • Do not place the floating nav bar flush against the viewport edge — it should always float with visible margin (16–24px from edges)
  • Do not use solid #6b62f2 as a button fill or text color — the violet only appears as a gradient wash or radial glow

Components

01

White Pill CTA

Primary action button

Filled white background, #161616 text, 9999px border-radius (full pill), 8px vertical × 12px horizontal padding. The only filled button in the system — inverts the dark canvas to draw the eye. Uses DM Sans 14–16px weight 400. Pair with the ghost nav button as a secondary.

02

Ghost Nav Button

Navigation link styled as button

Transparent background, #ffffff text at 85% opacity, 1px #e5e5e5 hairline border, 9999px border-radius, 6px vertical × 14px horizontal padding. Lives inside the floating dark nav bar. The reduced text opacity (0.85) creates a quieter rhythm than the full-white CTA.

03

Floating Frosted Nav

Site-wide navigation

Dark surface (#161616 with possible translucency), 19px asymmetric border-radius, 4px backdrop blur, 1px #e5e5e5 border, 6px × 14px padding for internal links. Sits as a floating pill at the bottom or top of the viewport. Contains logo + 2–3 nav links + white CTA. This is the signature component — it replaces the traditional flat nav bar with a detached, glass-like element.

04

Hairline Ghost Button

Secondary action or integration label

Transparent background, #ffffff or #b2b2b2 text, 1px #e5e5e5 border, 10px border-radius (not pill — distinguishes from nav), 8px × 8px tight padding. Used for integration labels (Google Drive, Notion, etc.) where the pill shape would be too prominent.

05

Frosted Glass Feature Card

Translucent content panel

rgba(212,212,212,0.1) background over the dark canvas, 24px border-radius, 0px padding (content is placed inside), no shadow — the translucency itself creates depth. Often paired with a 4px backdrop blur for the frosted effect. Used for feature groupings and section dividers.

06

Gradient Hero Panel

Full-bleed hero background

A warm-to-cool gradient (amber/coral left → cobalt blue right) fills the hero section. Contains the 72px DM Sans display headline in white, a left-aligned feature bullet list with icon + text rows at 16px, and the white pill CTA. A laptop mockup sits on the right half, creating a split text+visual hero pattern.

07

Numbered Accordion Row

Feature list item with index

Left-aligned feature name in #ededed, right-aligned two-digit number (01, 02, 03…) in #c2c2c2, 20px row-gap between rows, no visible borders or backgrounds. The numbered prefix creates editorial structure without chrome. Used for 'What Dimension handles for you' style capability lists.

08

Bulleted Feature Row

Compact feature highlight in hero

Small icon (4px radius, #ffffff fill) + 16px DM Sans text in #ededed, 12px gap between icon and text, 16px vertical spacing between rows. Four rows typical in the hero, each one line. No borders, no backgrounds — pure typographic density.

09

Device Mockup Frame

Product screenshot container

Large rounded-rectangle frame containing a product UI screenshot. The frame uses 40px 40px 0px 0px border-radius (top corners rounded, bottom flush), white background, 0px padding (screenshot bleeds to edges). Represents a laptop or monitor showing the product interface.

10

Status Banner Pill

Ephemeral announcement at page top

Pill-shaped bar at the very top of the page, dark or translucent background, 9999px radius, contains a sparkle/star icon + announcement text + arrow. Example: 'Dimension is winding down on May 20, 2026 →'. Centered or left-aligned, sits above the main hero.

11

Section Header

Section-level title

Geist 32px weight 600 or 36px weight 500, #ededed color, 1.5 line-height, often followed by a descriptive paragraph in 18px Geist weight 500. The 600-weight Geist creates a slightly heavier anchor than the DM Sans body text, marking section boundaries without a visible divider line.

12

Icon Glyph

Feature or UI icon

Monochrome #ffffff or #000000, 4px border-radius on the container, appears at 16–20px size. Icons are simple geometric shapes (plus, check, sparkle, chat bubble) rendered as filled or stroked SVGs. Stroke weight ~1.5px. The 4px container radius gives icons a subtle squircle softness without rounding the glyph itself.

Surfaces & elevation

Level 0

Void Canvas

#0a0a0a

Page background — the base dark plane everything sits on

Level 1

Graphite

#161616

Elevated panels — floating nav bar, dropdown bodies, dark cards

Level 2

Frosted Glass

#d4d4d4

Translucent overlay panels at 10% opacity — frosted card surfaces with blur backdrop

Level 3

Snow White

#ffffff

Inverted surfaces — white CTA buttons, white card panels in dark sections

The system deliberately avoids traditional drop-shadows for component elevation. Instead, depth is created through surface translucency (frosted glass panels at 10% opacity), hairline 1px borders, and tonal layering (#0a0a0a → #161616 → rgba(212,212,212,0.1)). The only shadow usage is on the floating nav bar, where a subtle multi-layer drop-shadow gives it physical detachment from the page — this is the sole exception and it anchors the entire nav system.

Floating Frosted Nav

rgba(255, 255, 255, 0.02) 0px 3px 4.5px, rgba(0, 0, 0, 0.04) 0px 10px 8px, rgba(0, 0, 0, 0.1) 0px 4px 3px

Layout & imagery

Layout

The page uses a max-width ~1200px centered content column with a floating dark pill nav bar that detaches from the viewport edge. The hero is a full-bleed warm-to-cool gradient background with a split layout: left column holds the 72px headline + bulleted feature list + white CTA, right column holds a laptop mockup showing a product screenshot. Below the hero, sections transition to the dark #0a0a0a canvas. The 'What Dimension handles for you' section uses a left-aligned numbered accordion list (01–07) with generous vertical spacing (20px row-gap). Section rhythm alternates between dark canvas sections and frosted-glass panel sections, separated by 64–80px vertical gaps. Content is generally left-aligned with no centered stacks except the status banner at the very top. Card grids are minimal — the design favors editorial single-column or two-column text+visual compositions over multi-column card walls.

Imagery

The site uses minimal photography — instead, it relies on a signature gradient hero that transitions from warm amber/coral on the left to cobalt blue on the right, evoking a sunset bleeding into a product interface. Product screenshots appear inside device mockup frames (laptop/monitor shapes with 40px top-corner radius). Icons are monochrome geometric SVGs (sparkle, plus, check, chat bubble) in #ffffff or #000000, rendered at 16–20px with ~1.5px stroke weight. The visual language is editorial-product: no lifestyle photography, no abstract 3D renders, no illustration — just the gradient hero, product mockups, and tightly composed UI screenshots. A single radial violet glow (#6b62f2) appears as a spotlight accent. Overall image density is low — text and UI chrome dominate, with visual moments concentrated in the hero and product reveal sections.

Design notes

Agent Guide

**Quick Color Reference** - text: #ededed (body on dark), #161616 (body on white) - background: #0a0a0a (canvas), #161616 (elevated) - border: #e5e5e5 (1px hairline) - accent: #6b62f2 (gradient wash only) - primary action: #ffffff (filled action) **Example Component Prompts** 1. Create a Primary Action Button: #ffffff background, #000000 text, 9999px radius, compact pill padding. Use this filled treatment for the main CTA. 2. **Floating Nav Bar**: Dark surface #161616, 19px asymmetric border-radius, 1px #e5e5e5 border, 4px backdrop blur, 6px×14px internal padding. Contains logo mark + two nav links (#ffffff at 85% opacity, 9999px radius, 1px #e5e5e5 border) + white pill CTA. Floats 16–24px from viewport edge. 3. **Numbered Feature List**: Dark #0a0a0a canvas. Section header in Geist 32px weight 600 #ededed. Seven rows, each: feature name in 16px DM Sans #ededed left-aligned + two-digit number (01–07) in #c2c2c2 right-aligned, 20px vertical gap between rows. No borders, no backgrounds. 4. **Frosted Glass Card**: rgba(212,212,212,0.1) background, 24px border-radius, 4px backdrop blur, 28px internal padding. Content inside: Geist 18px weight 500 #ededed heading + DM Sans 16px weight 400 #c2c2c2 body text. No shadow, no border — translucency creates the depth. 5. **Status Banner**: Centered pill at page top, 9999px radius, dark or translucent background, 1px #e5e5e5 border. Contains: small sparkle icon (4px radius, #ffffff) + 14px DM Sans weight 500 #ededed text + right arrow. 6px×14px padding.

Gradient System

The site uses gradients as a signature visual device, not as decoration. Three distinct gradient types serve separate purposes: 1. **Hero Horizon** — warm-to-cool full-bleed gradient on hero sections: amber/coral left → cobalt blue right. This is the only gradient applied to a full section background. It establishes the product's identity as a transition point between human work hours and AI off-hours. 2. **Dusk Violet Wash** — linear gradient at 90deg with the violet accent (#6b62f2 at 0.565 alpha) concentrated in a narrow 50% center band, fading to transparent at 40% and 60%. Used as a horizontal highlight strip on dark UI — never as a background fill. 3. **Radial Spotlight** — radial gradient from #6b62f2 center to #ffffff edge, used sparingly as a product reveal or feature highlight. Creates a soft glow that draws the eye to a specific point. Rules: Gradients appear only on hero sections, accent strips, and spotlights. Never apply gradients to cards, buttons, or text. Never combine multiple gradients on the same element.

Similar brands

Linear

Same dark-canvas + monochromatic discipline with a single gradient hero, pill-shaped controls, and hairline borders on dark surfaces. Both favor weight-500 restraint over bold headlines.

Vercel

Identical Geist/DM Sans pairing, 9999px pill buttons, 1px hairline borders on #e5e5e5, and the floating glass nav bar concept. Both use warm-to-cool gradient heroes as signature moments.

Raycast

Dark surface stack (#0a0a0a → #161616), pill nav controls, frosted glass panels with backdrop blur, and the same anti-bold weight-500 headline approach. Both treat 2% colorfulness as a design principle.

Arc Browser

Shared language of frosted glass panels over dark canvases, pill-shaped floating controls, and generous editorial spacing. Both use gradient washes as accent rather than as primary fills.

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