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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
#3547BE
RGB Values
53, 71, 190
HSL Values
232°, 56%, 48%
CMYK Values
72%, 63%, 0%, 25%

Color Variations & Tints

  • #6C7AD5

    Lightness: 63%

  • #5868D0

    Lightness: 58%

  • #4456CA

    Lightness: 53%

  • #3547BE

    Lightness: 48%

    Current color

  • #3041AB

    Lightness: 43%

  • #2B3997

    Lightness: 38%

  • #253283

    Lightness: 33%

Accessibility

White Text
7.5
PASS
Black Text
2.8
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 #3547BE

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

Current: #3547BE

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