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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
#305453
RGB Values
48, 84, 83
HSL Values
178°, 27%, 26%
CMYK Values
43%, 0%, 1%, 67%

Color Variations & Tints

  • #4C8583

    Lightness: 41%

  • #437573

    Lightness: 36%

  • #3A6463

    Lightness: 31%

  • #305453

    Lightness: 26%

    Current color

  • #274443

    Lightness: 21%

  • #1E3433

    Lightness: 16%

  • #142423

    Lightness: 11%

Accessibility

White Text
8.3
PASS
Black Text
2.5
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 #305453

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

Current: #305453

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