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Colorbook
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Color Information

Blue

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

HEX Format
#1D2559
RGB Values
29, 37, 89
HSL Values
232°, 51%, 23%
CMYK Values
67%, 58%, 0%, 65%

Color Variations & Tints

  • #2F3D92

    Lightness: 38%

  • #29357F

    Lightness: 33%

  • #232D6C

    Lightness: 28%

  • #1D2559

    Lightness: 23%

    Current color

  • #161D45

    Lightness: 18%

  • #101532

    Lightness: 13%

  • #0A0D1F

    Lightness: 8%

Accessibility

White Text
14.4
PASS
Black Text
1.5
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 #1D2559

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

Current: #1D2559

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