/
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
#03371B
RGB Values
3, 55, 27
HSL Values
148°, 90%, 11%
CMYK Values
95%, 0%, 51%, 78%

Color Variations & Tints

  • #077E3E

    Lightness: 26%

  • #056632

    Lightness: 21%

  • #044E26

    Lightness: 16%

  • #03371B

    Lightness: 11%

    Current color

  • #021D0E

    Lightness: 6%

  • #000502

    Lightness: 1%

  • #000000

    Lightness: 0%

Accessibility

White Text
13.4
PASS
Black Text
1.6
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 #03371B

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

Current: #03371B

Discover More Colors

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