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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
#321FBD
RGB Values
50, 31, 189
HSL Values
247°, 72%, 43%
CMYK Values
74%, 84%, 0%, 26%

Color Variations & Tints

  • #5947E1

    Lightness: 58%

  • #4531DD

    Lightness: 53%

  • #3722D3

    Lightness: 48%

  • #321FBD

    Lightness: 43%

    Current color

  • #2B1BA7

    Lightness: 38%

  • #261891

    Lightness: 33%

  • #20147B

    Lightness: 28%

Accessibility

White Text
10.2
PASS
Black Text
2.1
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 #321FBD

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

Current: #321FBD

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