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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
#3F6B54
RGB Values
63, 107, 84
HSL Values
149°, 26%, 33%
CMYK Values
41%, 0%, 21%, 58%

Color Variations & Tints

  • #5B9A79

    Lightness: 48%

  • #518A6D

    Lightness: 43%

  • #487A60

    Lightness: 38%

  • #3F6B54

    Lightness: 33%

    Current color

  • #355A47

    Lightness: 28%

  • #2B4A3A

    Lightness: 23%

  • #223A2E

    Lightness: 18%

Accessibility

White Text
6.1
PASS
Black Text
3.4
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 #3F6B54

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

Current: #3F6B54

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