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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
#5B57B8
RGB Values
91, 87, 184
HSL Values
242°, 41%, 53%
CMYK Values
51%, 53%, 0%, 28%

Color Variations & Tints

  • #8E8CCF

    Lightness: 68%

  • #7D7AC7

    Lightness: 63%

  • #6B68C0

    Lightness: 58%

  • #5B57B8

    Lightness: 53%

    Current color

  • #4C48AD

    Lightness: 48%

  • #44419B

    Lightness: 43%

  • #3C3989

    Lightness: 38%

Accessibility

White Text
6.0
PASS
Black Text
3.5
FAIL
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 #5B57B8

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

Current: #5B57B8

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