/
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
#377639
RGB Values
55, 118, 57
HSL Values
122°, 36%, 34%
CMYK Values
53%, 0%, 52%, 54%

Color Variations & Tints

  • #50AA53

    Lightness: 49%

  • #48994B

    Lightness: 44%

  • #408742

    Lightness: 39%

  • #377639

    Lightness: 34%

    Current color

  • #2F6531

    Lightness: 29%

  • #275329

    Lightness: 24%

  • #1F4220

    Lightness: 19%

Accessibility

White Text
5.5
PASS
Black Text
3.8
FAIL
WCAG AA
PASS
WCAG AAA
FAIL

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 #377639

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

Current: #377639

Discover More Colors

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