/
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
#37511D
RGB Values
55, 81, 29
HSL Values
90°, 47%, 22%
CMYK Values
32%, 0%, 64%, 68%

Color Variations & Tints

  • #5E8B32

    Lightness: 37%

  • #52782B

    Lightness: 32%

  • #456524

    Lightness: 27%

  • #37511D

    Lightness: 22%

    Current color

  • #2B4017

    Lightness: 17%

  • #1F2D10

    Lightness: 12%

  • #121A09

    Lightness: 7%

Accessibility

White Text
8.9
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 #37511D

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

Current: #37511D

Discover More Colors

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