BlueMid-toneMuted

Ultramarine Blue

#637BC2

Contrast at a glance

White text

4.08:1AA large

Black text

4.85:1AA

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About Ultramarine Blue

Ultramarine Blue (#637BC2) is a mid-tone muted blue. Its RGB value is 99, 123, 194 and its HSL value is 225°, 44%, 57%. Black text reads best on it, at a contrast ratio of 4.85:1 (WCAG AA). Below are ten tints and shades of Ultramarine Blue, plus complementary, analogous, triadic, and split-complementary palettes built from it.

Tints

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Shades

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Harmonies

Complementary

#637BC2 · #C2AA63

Analogous

#63AAC2 · #637BC2 · #7B63C2

Triadic

#637BC2 · #C2637B · #7BC263

Split complementary

#637BC2 · #C27B63 · #AAC263

Do more with Ultramarine Blue

Build a palette around it, generate a scale, or check it for accessibility.

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