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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
#403B17
RGB Values
64, 59, 23
HSL Values
53°, 47%, 17%
CMYK Values
0%, 8%, 64%, 75%

Color Variations & Tints

  • #786F2B

    Lightness: 32%

  • #655E24

    Lightness: 27%

  • #524C1E

    Lightness: 22%

  • #403B17

    Lightness: 17%

    Current color

  • #2D2A10

    Lightness: 12%

  • #1A1809

    Lightness: 7%

  • #070703

    Lightness: 2%

Accessibility

White Text
11.3
PASS
Black Text
1.9
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 #403B17

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

Current: #403B17

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