BlueDarkMuted

Biro Blue

#313B47

Contrast at a glance

White text

11.37:1AAA

Black text

1.74:1Fails

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About Biro Blue

Biro Blue (#313B47) is a dark muted blue. Its RGB value is 49, 59, 71 and its HSL value is 213°, 18%, 24%. White text reads best on it, at a contrast ratio of 11.37:1 (WCAG AAA). Below are ten tints and shades of Biro Blue, plus complementary, analogous, triadic, and split-complementary palettes built from it.

Tints

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Shades

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Harmonies

Complementary

#313B47 · #473D31

Analogous

#314647 · #313B47 · #323147

Triadic

#313B47 · #47313B · #3B4731

Split complementary

#313B47 · #473231 · #464731

Do more with Biro Blue

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

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