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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
#2F4939
RGB Values
47, 73, 57
HSL Values
143°, 22%, 24%
CMYK Values
36%, 0%, 22%, 71%

Color Variations & Tints

  • #4E795E

    Lightness: 39%

  • #446A52

    Lightness: 34%

  • #3A5A46

    Lightness: 29%

  • #2F4939

    Lightness: 24%

    Current color

  • #263B2E

    Lightness: 19%

  • #1C2C22

    Lightness: 14%

  • #121C16

    Lightness: 9%

Accessibility

White Text
9.8
PASS
Black Text
2.1
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 #2F4939

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

Current: #2F4939

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