M3 Web Tailwind

Material Design 3 — Tailwind CSS

Overview

Tailwind CSS can integrate M3 design tokens by mapping them to Tailwind's theme configuration. Use the tailwind-material-3 plugin or manually map tokens for a utility-first M3 styling approach.

Keywords: Material Design 3, M3, Tailwind CSS, tailwind-material-3, utility-first, design tokens, CSS variables

When to Use

• Projects already using Tailwind CSS
• When you want M3's design language without switching to a component library
• Utility-first M3 styling

Plugin Approach

npm install tailwind-material-3

// tailwind.config.js
const m3Plugin = require('tailwind-material-3');

module.exports = {
  plugins: [m3Plugin],
  // M3 tokens are now available as Tailwind utilities
};

Manual Token Mapping

Define M3 tokens as CSS custom properties:

/* globals.css */
:root {
  --color-primary: #6750A4;
  --color-on-primary: #FFFFFF;
  --color-primary-container: #EADDFF;
  --color-on-primary-container: #21005D;
  --color-secondary: #625B71;
  --color-on-secondary: #FFFFFF;
  --color-tertiary: #7D5260;
  --color-error: #B3261E;
  --color-surface: #FEF7FF;
  --color-on-surface: #1D1B20;
  --color-surface-variant: #E7E0EC;
  --color-on-surface-variant: #49454F;
  --color-outline: #79747E;
  --color-outline-variant: #CAC4D0;
}

Map to Tailwind config:

// tailwind.config.js
module.exports = {
  theme: {
    extend: {
      colors: {
        primary: 'var(--color-primary)',
        'on-primary': 'var(--color-on-primary)',
        'primary-container': 'var(--color-primary-container)',
        'on-primary-container': 'var(--color-on-primary-container)',
        secondary: 'var(--color-secondary)',
        'on-secondary': 'var(--color-on-secondary)',
        tertiary: 'var(--color-tertiary)',
        error: 'var(--color-error)',
        surface: 'var(--color-surface)',
        'on-surface': 'var(--color-on-surface)',
        'surface-variant': 'var(--color-surface-variant)',
        'on-surface-variant': 'var(--color-on-surface-variant)',
        outline: 'var(--color-outline)',
        'outline-variant': 'var(--color-outline-variant)',
      },
      borderRadius: {
        'md3-xs': '4px',
        'md3-sm': '8px',
        'md3-md': '12px',
        'md3-lg': '16px',
        'md3-xl': '28px',
        'md3-full': '9999px',
      },
    },
  },
};

Component Examples

Filled Button

<button class="bg-primary text-on-primary rounded-md3-full px-6 py-2.5 
               text-sm font-medium tracking-wide hover:opacity-92
               disabled:bg-on-surface/12 disabled:text-on-surface/38">
  Filled Button
</button>

Card

<div class="bg-surface rounded-md3-md p-4 shadow-md">
  <h3 class="text-on-surface text-base font-medium">Title</h3>
  <p class="text-on-surface-variant text-sm">Content</p>
</div>

Text Field (Outlined)

<div class="relative">
  <input class="border border-outline rounded-md3-xs px-4 py-4 
                text-on-surface bg-transparent w-full
                focus:border-primary focus:border-2 focus:outline-none"
         placeholder="Email" />
</div>

Chip

<span class="inline-flex items-center border border-outline rounded-md3-sm
             px-3 py-1.5 text-sm text-on-surface-variant">
  Filter Chip
</span>

Checklist

• M3 color tokens mapped to Tailwind theme (via plugin or manual config)
• M3 border radius scale added to Tailwind config
• Dark theme uses CSS custom property overrides
• Components use semantic token classes (not hard-coded colors)
• Hover/focus/disabled states use M3 opacity values

Resources

• tailwind.config.js — Ready-to-use Tailwind config with M3 tokens (orange palette) included in this skill's directory. Copy into your project and customize.
• material-theme-builder skill — Generate a custom palette from any source color.
• Official M3 CSS tokens: https://github.com/material-foundation/material-tokens
• Plugin: https://github.com/rinturaj/tailwind-material-3
• Token mapping guide: https://nicolalazzari.ai/articles/integrating-design-tokens-with-tailwind-css
• Tailwind theme config: https://tailwindcss.com/docs/theme

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