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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
#6478CB
RGB Values
100, 120, 203
HSL Values
228°, 50%, 59%
CMYK Values
51%, 41%, 0%, 20%

Color Variations & Tints

  • #9CA9DE

    Lightness: 74%

  • #8898D7

    Lightness: 69%

  • #7588D1

    Lightness: 64%

  • #6478CB

    Lightness: 59%

    Current color

  • #4F67C4

    Lightness: 54%

  • #3E57BB

    Lightness: 49%

  • #384FA8

    Lightness: 44%

Accessibility

White Text
4.1
FAIL
Black Text
5.1
PASS
WCAG AA
PASS
WCAG AAA
FAIL

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 #6478CB

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

Current: #6478CB

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