BlueMid-toneMuted

Shutter Blue

#646F81

Contrast at a glance

White text

5.08:1AA

Black text

3.90:1AA large

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About Shutter Blue

Shutter Blue (#646F81) is a mid-tone muted blue. Its RGB value is 100, 111, 129 and its HSL value is 217°, 13%, 45%. White text reads best on it, at a contrast ratio of 5.08:1 (WCAG AA). Below are ten tints and shades of Shutter Blue, plus complementary, analogous, triadic, and split-complementary palettes built from it.

Tints

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Shades

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Harmonies

Complementary

#646F81 · #817664

Analogous

#647D81 · #646F81 · #686481

Triadic

#646F81 · #81646F · #6F8164

Split complementary

#646F81 · #816864 · #7D8164

Do more with Shutter Blue

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

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