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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
#D90C03
RGB Values
217, 12, 3
HSL Values
3°, 97%, 43%
CMYK Values
0%, 94%, 99%, 15%

Color Variations & Tints

  • #FC362C

    Lightness: 58%

  • #FB1F13

    Lightness: 53%

  • #F11004

    Lightness: 48%

  • #D90C03

    Lightness: 43%

    Current color

  • #BF0C03

    Lightness: 38%

  • #A60B03

    Lightness: 33%

  • #8D0902

    Lightness: 28%

Accessibility

White Text
5.2
PASS
Black Text
4.0
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 #D90C03

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

Current: #D90C03

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