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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
#5137A0
RGB Values
81, 55, 160
HSL Values
255°, 49%, 42%
CMYK Values
49%, 66%, 0%, 37%

Color Variations & Tints

  • #765CC7

    Lightness: 57%

  • #6749C1

    Lightness: 52%

  • #5A3DB3

    Lightness: 47%

  • #5137A0

    Lightness: 42%

    Current color

  • #47308D

    Lightness: 37%

  • #3E2A7A

    Lightness: 32%

  • #342367

    Lightness: 27%

Accessibility

White Text
8.7
PASS
Black Text
2.4
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 #5137A0

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

Current: #5137A0

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