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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
#666741
RGB Values
102, 103, 65
HSL Values
62°, 23%, 33%
CMYK Values
1%, 0%, 37%, 60%

Color Variations & Tints

  • #95975E

    Lightness: 48%

  • #858754

    Lightness: 43%

  • #76774B

    Lightness: 38%

  • #666741

    Lightness: 33%

    Current color

  • #575837

    Lightness: 28%

  • #47482D

    Lightness: 23%

  • #383823

    Lightness: 18%

Accessibility

White Text
5.9
PASS
Black Text
3.6
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 #666741

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

Current: #666741

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