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Colorbook
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Color Information

Black

Complete color analysis with professional format conversions, accessibility metrics, and harmonious color combinations for your design projects.

HEX Format
#511237
RGB Values
81, 18, 55
HSL Values
325°, 64%, 19%
CMYK Values
0%, 78%, 32%, 68%

Color Variations & Tints

  • #8E1F60

    Lightness: 34%

  • #791B52

    Lightness: 29%

  • #641644

    Lightness: 24%

  • #511237

    Lightness: 19%

    Current color

  • #3B0D28

    Lightness: 14%

  • #260819

    Lightness: 9%

  • #11040B

    Lightness: 4%

Accessibility

White Text
14.1
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 #511237

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

Current: #511237

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