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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
#407272
RGB Values
64, 114, 114
HSL Values
180°, 28%, 35%
CMYK Values
44%, 0%, 0%, 55%

Color Variations & Tints

  • #5CA3A3

    Lightness: 50%

  • #539393

    Lightness: 45%

  • #498383

    Lightness: 40%

  • #407272

    Lightness: 35%

    Current color

  • #376262

    Lightness: 30%

  • #2E5252

    Lightness: 25%

  • #254141

    Lightness: 20%

Accessibility

White Text
5.4
PASS
Black Text
3.9
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 #407272

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

Current: #407272

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