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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
#40572F
RGB Values
64, 87, 47
HSL Values
95°, 30%, 26%
CMYK Values
26%, 0%, 46%, 66%

Color Variations & Tints

  • #638849

    Lightness: 41%

  • #577740

    Lightness: 36%

  • #4B6737

    Lightness: 31%

  • #40572F

    Lightness: 26%

    Current color

  • #334625

    Lightness: 21%

  • #27351D

    Lightness: 16%

  • #1B2414

    Lightness: 11%

Accessibility

White Text
8.0
PASS
Black Text
2.6
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 #40572F

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

Current: #40572F

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