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RGBHex

orange-400

#FF8B1F

orange-400Tailwind v4.

Formats

Open #FF8B1F in the converter →

Contrast & legibility

Text on white2.34:1 AA ✗
Text on black8.97:1 AA ✓

WCAG 2.2 AA requires 4.5:1 for normal text and 3:1 for large text. Check any pair →

Tints & shades

An 11-stop OKLCH ramp through orange-400 (the same engine as the theme builder). Click any stop to open its page.

Harmonies

Explore all harmonies for #FF8B1F

Color-blindness preview

#ae9900

Protanopia

#c9b41d

Deuteranopia

#ff7178

Tritanopia

#a9a9a9

Achromatopsia

How orange-400 appears to viewers with each color-vision deficiency. Full simulator →

About orange-400

#FF8B1F is orange-400, a tailwind v4. This page shows its rgb(255, 139, 31) / hsl(28.93, 100%, 56.08%) / oklch(0.7497 0.1753 55.84) values, WCAG contrast against black and white, an OKLCH tint-and-shade ramp, and complementary, analogous, and triadic harmonies — all computed in perceptually-uniform OKLCH.