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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
#10381E
RGB Values
16, 56, 30
HSL Values
141°, 56%, 14%
CMYK Values
71%, 0%, 46%, 78%

Color Variations & Tints

  • #21733E

    Lightness: 29%

  • #1B5F33

    Lightness: 24%

  • #154C28

    Lightness: 19%

  • #10381E

    Lightness: 14%

    Current color

  • #0A2413

    Lightness: 9%

  • #041008

    Lightness: 4%

  • #000000

    Lightness: 0%

Accessibility

White Text
13.1
PASS
Black Text
1.6
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 #10381E

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

Current: #10381E

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