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Tailwind CSS. Blueprint margins around a midnight editor.

  • Developer tools
  • Light theme
  • 17 colors
  • 2 typefaces

Tailwind CSS is a white-canvas framework site drawn like an annotated blueprint: every block sits between 1px hairline rules in Guide Wash #f2f2f3, with diagonally hatched 40px gutters at the page edges and tiny IBM Plex Mono class-name annotations floating above each headline. Display type is Inter at 96px/400 with -4.8px tracking, so the hero reads dense and engineered rather than loud. Colour lives almost entirely inside the product: Midnight Ink #030712 code windows with Sky Token #74d4ff and Syntax Pink #fb64b6 highlighting, a sky-blue logo wave, and live demo panels that show off the framework's own vivid palette. The only conversion control is a black 32px-radius pill.

Screenshot of Tailwind CSS
Captured from tailwindcss.com on October 17, 2026

Tailwind CSS design system

Tailwind CSS

Brand1

  • The double-wave logo mark and the live sky demo swatches — the one saturated hue that belongs to the brand itself

Accent6

  • Inline IBM Plex Mono utility names in the hero lead (flex, pt-4) — class names glow as clickable vocabulary

  • Attribute values and highlighted words inside dark code windows — the main syntax colour on Midnight Ink

  • Tag names and keywords in code panels, the warm counterpart to Sky Token in every editor demo

  • CSS property names and theme variables in code samples, a third cool syntax note used sparingly

  • The Plus navigation link inside its dashed sky outline — the only coloured item in the header

  • Fill of the in-demo Check availability button on the responsive property card, not a site-level action colour

Neutrals10

  • Headlines, navigation, logo wordmark and the dark editor window frames — gray-950 rather than pure black

  • Filled Get started and Become a sponsor pills, the only solid action fill on the marketing page

  • Code panes inside editor windows, composited from 10% white over Midnight Ink, with a faint white inset ring

  • Default code text on Editor Graphite panes and terminal output, a cool off-white rather than pure Paper

  • Section introductions and feature-card copy at 14px and 16px — gray-600 keeps long text calm under Ink headings

  • Keyboard hints, search placeholders and secondary demo metadata such as job titles

  • Line numbers, punctuation and comments in code panes, receding behind the syntax colours

  • IBM Plex Mono class-name annotations above headlines — 20% black so the blueprint notes whisper

  • Hairline guide rules, gutter hatching, the version chip fill and the tinted backdrop behind feature cards

  • Page canvas, header, feature cards and demo cards, plus button labels on black pills

Try a pairing

Pick any two colors from the palette to check whether text stays readable on top.

Aa

Pitch Black on Wave Sky

9.64 : 1 contrast

Background
Text
  • Body textPasses AA 4.5
  • Large textPasses AA 3
  • StrictPasses AAA 7

More DESIGN.md files. Same web, different personalities.