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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
#425A66
RGB Values
66, 90, 102
HSL Values
200°, 21%, 33%
CMYK Values
35%, 12%, 0%, 60%

Color Variations & Tints

  • #618394

    Lightness: 48%

  • #577585

    Lightness: 43%

  • #4D6875

    Lightness: 38%

  • #425A66

    Lightness: 33%

    Current color

  • #384C56

    Lightness: 28%

  • #2E3F47

    Lightness: 23%

  • #243138

    Lightness: 18%

Accessibility

White Text
7.3
PASS
Black Text
2.9
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 #425A66

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

Current: #425A66

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