Blue is one of the color families shipped with this release. The classic UI blue — trust, links, primary actions..
Shades#
100200300400500600700800900950
Palette table#
| Shade | Class fragment | Value | Best role |
|---|---|---|---|
100 | blue-100 | #eff6ff | Very light — section backgrounds, badges on light UI, tinted code blocks. |
200 | blue-200 | #dbeafe | Light — borders on light themes, dividers with personality, chip backgrounds. |
300 | blue-300 | #bfdbfe | Soft — secondary borders, disabled states with color, placeholder decorations. |
400 | blue-400 | #93c5fd | Medium-light — icons on dark surfaces, decorative accents, chart lines. |
500 | blue-500 | #60a5fa | The primary step — buttons, links, brand fills, key interactive elements. |
600 | blue-600 | #3b82f6 | Hover step — hover states for 500 elements, or primary on very light UIs. |
700 | blue-700 | #2563eb | Active step — pressed states, emphasized text on light tinted backgrounds. |
800 | blue-800 | #1d4ed8 | Dark — text on light palettes, headers in tinted sections, dark UI fills. |
900 | blue-900 | #1e40af | Very dark — deep section backgrounds, high-contrast text carriers. |
950 | blue-950 | #1e3a8a | Darkest — near-black tinted backgrounds, hero surfaces, footer tones. |
Use it#
<div class="bg-blue-500 text-white p-6 rounded-xl">Blue surface</div>
<p class="text-blue-600 dark:text-blue-400">Adaptive text</p>
<div class="border border-blue-200 dark:border-blue-800 bg-blue-50 dark:bg-blue-950 p-4 rounded-lg">Panel</div>Per-usage guides#
Blue textstext-blue-* in practice.Blue backgroundsbg-blue-* in practice.Blue bordersborder-blue-* in practice.Blue gradientsfrom-blue-* in practice.
Contrast#
Flip point: shades 50–400 want dark text (text-slate-900); shades 500+ (approx.) want white text. Verify with the accessibility/color-contrast|contrast guide.
Related palettes#
colors/sky|sky · colors/indigo|indigo · colors/color-pairing|Pairing recipes