A deep cerulean with rich undertones.

  • Commonly used for interactive elements like buttons and links, secondary interface elements, visual indicators and status markers, decorative accents and highlights, and background elements and containers
  • This is Facebook's primary colour.

Colour Values

HEX

#3b5998

RGB

59, 89, 152

HSL

221, 44, 41

OKLCH

oklch(47.24% 0.1083 263.58)

Contrast Analysis

Against White

6.84

Good

Against Black

3.07

Poor

Matching Algorithm

Method

Using LAB colour space for perceptually accurate matching (CIE94 formula).

Distance

9.11

Good
Input Colour
Nearest Match
Distance: 9.11

Colour Combinations

Monochromatic

Complementary

Analogous

Triadic

Brand Palette

Primary brand color
sky-700
Brand accent
blue-900
Complementary accent
yellow-600
Text & UI elements
slate-800
Backgrounds & borders
slate-200