BlueMid-toneMuted

Bio Blue

#475C9D

Contrast at a glance

White text

6.39:1AA

Black text

3.10:1AA large

Open the contrast checker →

About Bio Blue

Bio Blue (#475C9D) is a mid-tone muted blue. Its RGB value is 71, 92, 157 and its HSL value is 225°, 38%, 45%. White text reads best on it, at a contrast ratio of 6.39:1 (WCAG AA). Below are ten tints and shades of Bio Blue, plus complementary, analogous, triadic, and split-complementary palettes built from it.

Tints

Open in Scales →

Shades

Open in Scales →

Harmonies

Complementary

#475C9D · #9D8847

Analogous

#47879D · #475C9D · #5D479D

Triadic

#475C9D · #9D475C · #5C9D47

Split complementary

#475C9D · #9D5D47 · #879D47

Do more with Bio Blue

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

Start a palette Generate a scale Check contrast