/
Colorbook
Sign in Sign up

Color Information

Black

Complete color analysis with professional format conversions, accessibility metrics, and harmonious color combinations for your design projects.

HEX Format
#3F511C
RGB Values
63, 81, 28
HSL Values
80°, 49%, 21%
CMYK Values
22%, 0%, 65%, 68%

Color Variations & Tints

  • #6B892F

    Lightness: 36%

  • #5C7628

    Lightness: 31%

  • #4D6322

    Lightness: 26%

  • #3F511C

    Lightness: 21%

    Current color

  • #2F3D15

    Lightness: 16%

  • #212A0E

    Lightness: 11%

  • #121708

    Lightness: 6%

Accessibility

White Text
8.7
PASS
Black Text
2.4
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 #3F511C

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

Current: #3F511C

Discover More Colors

Explore a randomly curated selection of colors. Each refresh brings new inspiration for your palette.