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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
#223F63
RGB Values
34, 63, 99
HSL Values
213°, 49%, 26%
CMYK Values
66%, 36%, 0%, 61%

Color Variations & Tints

  • #35639C

    Lightness: 41%

  • #2F5789

    Lightness: 36%

  • #284B76

    Lightness: 31%

  • #223F63

    Lightness: 26%

    Current color

  • #1B3350

    Lightness: 21%

  • #15273D

    Lightness: 16%

  • #0E1B2A

    Lightness: 11%

Accessibility

White Text
10.7
PASS
Black Text
2.0
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 #223F63

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

Current: #223F63

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