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Colorbook
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Color Information

Red

Complete color analysis with professional format conversions, accessibility metrics, and harmonious color combinations for your design projects.

HEX Format
#AD2504
RGB Values
173, 37, 4
HSL Values
12°, 95%, 35%
CMYK Values
0%, 79%, 98%, 32%

Color Variations & Tints

  • #F93706

    Lightness: 50%

  • #E03106

    Lightness: 45%

  • #C72C05

    Lightness: 40%

  • #AD2504

    Lightness: 35%

    Current color

  • #952104

    Lightness: 30%

  • #7C1B03

    Lightness: 25%

  • #631603

    Lightness: 20%

Accessibility

White Text
6.9
PASS
Black Text
3.0
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 #AD2504

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

Current: #AD2504

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