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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
#3F152D
RGB Values
63, 21, 45
HSL Values
326°, 50%, 16%
CMYK Values
0%, 67%, 29%, 75%

Color Variations & Tints

  • #772854

    Lightness: 31%

  • #632147

    Lightness: 26%

  • #501B39

    Lightness: 21%

  • #3F152D

    Lightness: 16%

    Current color

  • #2A0E1E

    Lightness: 11%

  • #170810

    Lightness: 6%

  • #040103

    Lightness: 1%

Accessibility

White Text
15.5
PASS
Black Text
1.4
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 #3F152D

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

Current: #3F152D

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