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RGBHex

zinc-900

#18181B

zinc-900Tailwind v4.

Formats

Open #18181B in the converter →

Contrast & legibility

Text on white17.72:1 AA ✓
Text on black1.19:1 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 zinc-900 (the same engine as the theme builder). Click any stop to open its page.

Harmonies

Explore all harmonies for #18181B

Color-blindness preview

#17181b

Protanopia

#17181b

Deuteranopia

#171819

Tritanopia

#181818

Achromatopsia

How zinc-900 appears to viewers with each color-vision deficiency. Full simulator →

About zinc-900

#18181B is zinc-900, a tailwind v4. This page shows its rgb(24, 24, 27) / hsl(240, 5.88%, 10%) / oklch(0.2103 0.0059 285.89) 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.