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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
#002182
RGB Values
0, 33, 130
HSL Values
225°, 100%, 25%
CMYK Values
100%, 75%, 0%, 49%

Color Variations & Tints

  • #0033CC

    Lightness: 40%

  • #002DB3

    Lightness: 35%

  • #002699

    Lightness: 30%

  • #002182

    Lightness: 25%

    Current color

  • #001A66

    Lightness: 20%

  • #00134D

    Lightness: 15%

  • #000D33

    Lightness: 10%

Accessibility

White Text
13.6
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 #002182

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

Current: #002182

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