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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
#220F75
RGB Values
34, 15, 117
HSL Values
251°, 77%, 26%
CMYK Values
71%, 87%, 0%, 54%

Color Variations & Tints

  • #3618B9

    Lightness: 41%

  • #2F15A2

    Lightness: 36%

  • #28128C

    Lightness: 31%

  • #220F75

    Lightness: 26%

    Current color

  • #1B0C5F

    Lightness: 21%

  • #150948

    Lightness: 16%

  • #0E0632

    Lightness: 11%

Accessibility

White Text
15.1
PASS
Black Text
1.4
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 #220F75

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

Current: #220F75

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