/
Colorbook
Sign in Sign up

Color Information

Blue

Complete color analysis with professional format conversions, accessibility metrics, and harmonious color combinations for your design projects.

HEX Format
#155089
RGB Values
21, 80, 137
HSL Values
209°, 73%, 31%
CMYK Values
85%, 42%, 0%, 46%

Color Variations & Tints

  • #2078CB

    Lightness: 46%

  • #1C6BB5

    Lightness: 41%

  • #195E9F

    Lightness: 36%

  • #155089

    Lightness: 31%

    Current color

  • #124473

    Lightness: 26%

  • #0E375D

    Lightness: 21%

  • #0B2A47

    Lightness: 16%

Accessibility

White Text
8.3
PASS
Black Text
2.5
FAIL
WCAG AA
PASS
WCAG AAA
PASS

Accessibility Guide

Contrast Ratios
Higher values (4.5+) ensure better readability for users with visual impairments.
WCAG AA Standard
Minimum requirement: 4.5:1 contrast for normal text, 3:1 for large text.
WCAG AAA Standard
Enhanced level: 7:1 contrast for normal text, 4.5:1 for large text.

Color Harmonies

  • Complementary

    Colors opposite on the color wheel, creating high contrast

  • Triadic

    Three evenly spaced colors forming a triangle on the color wheel

  • Analogous

    Adjacent colors on the color wheel, creating harmony and unity

Be picky and fine tune your color: colors very near to #155089

Systematic progression of extremely similar colors. Each color represents a precise step in lightness variation.

Current: #155089

Discover More Colors

Explore a randomly curated selection of colors. Each refresh brings new inspiration for your palette.