A deep azure, notable for its vibrant character.

  • Commonly used for primary actions, links, and brand elements
  • This is Booking.com's primary colour.

Colour Values

HEX

#003b95

RGB

0, 59, 149

HSL

216, 100, 29

OKLCH

oklch(38.31% 0.1579 260.18)

Contrast Analysis

Against White

10.20

Good

Against Black

2.06

Very poor

Matching Algorithm

Method

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

Distance

1.84

Excellent
Input Colour
Nearest Match
Distance: 1.84

Colour Combinations

Monochromatic

Complementary

Analogous

Triadic

Brand Palette

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