BlueDarkVivid

Fibonacci Blue

#15235C

Contrast at a glance

White text

14.72:1AAA

Black text

1.35:1Fails

Open the contrast checker →

About Fibonacci Blue

Fibonacci Blue (#15235C) is a dark vivid blue. Its RGB value is 21, 35, 92 and its HSL value is 228°, 63%, 22%. White text reads best on it, at a contrast ratio of 14.72:1 (WCAG AAA). Below are ten tints and shades of Fibonacci Blue, plus complementary, analogous, triadic, and split-complementary palettes built from it.

Tints

Open in Scales →

Shades

Open in Scales →

Harmonies

Complementary

#15235C · #5C4E15

Analogous

#15475C · #15235C · #2A155C

Triadic

#15235C · #5C1523 · #235C15

Split complementary

#15235C · #5C2A15 · #475C15

Do more with Fibonacci Blue

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

Start a palette Generate a scale Check contrast