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RGBHex

darkblue

#00008B

darkblueCSS named color.

Formats

Open #00008B in the converter →

Contrast & legibility

Text on white14.95:1 AA ✓
Text on black1.40:1 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 darkblue (the same engine as the theme builder). Click any stop to open its page.

Harmonies

Explore all harmonies for #00008B

Color-blindness preview

#002c8e

Protanopia

#001d89

Deuteranopia

#00374f

Tritanopia

#252525

Achromatopsia

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

About darkblue

#00008B is darkblue, a css named color. This page shows its rgb(0, 22, 124) / hsl(229.58, 100%, 24.39%) / oklch(0.2878 0.1994 264.05) 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.