Blue is one of the color families shipped with this release. The classic UI blue — trust, links, primary actions..

Shades#

Palette table#

ShadeClass fragmentValueBest role
50blue-50#eff6ffLightest tint — page backgrounds, subtle fills, hover backgrounds for rows and list items.
100blue-100#dbeafeVery light — section backgrounds, badges on light UI, tinted code blocks.
200blue-200#bfdbfeLight — borders on light themes, dividers with personality, chip backgrounds.
300blue-300#93c5fdSoft — secondary borders, disabled states with color, placeholder decorations.
400blue-400#60a5faMedium-light — icons on dark surfaces, decorative accents, chart lines.
500blue-500#3b82f6The primary step — buttons, links, brand fills, key interactive elements.
600blue-600#2563ebHover step — hover states for 500 elements, or primary on very light UIs.
700blue-700#1d4ed8Active step — pressed states, emphasized text on light tinted backgrounds.
800blue-800#1e40afDark — text on light palettes, headers in tinted sections, dark UI fills.
900blue-900#1e3a8aVery dark — deep section backgrounds, high-contrast text carriers.
950blue-950#172554Darkest — near-black tinted backgrounds, hero surfaces, footer tones.

Use it#

html
<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#

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.

colors/sky|sky · colors/indigo|indigo · colors/color-pairing|Pairing recipes