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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
#91363D
RGB Values
145, 54, 61
HSL Values
355°, 46%, 39%
CMYK Values
0%, 63%, 58%, 43%

Color Variations & Tints

  • #C0545D

    Lightness: 54%

  • #B6434D

    Lightness: 49%

  • #A43D45

    Lightness: 44%

  • #91363D

    Lightness: 39%

    Current color

  • #7F2F35

    Lightness: 34%

  • #6C282E

    Lightness: 29%

  • #592126

    Lightness: 24%

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 #91363D

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

Current: #91363D

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