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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
#F52F24
RGB Values
245, 47, 36
HSL Values
3°, 91%, 55%
CMYK Values
0%, 81%, 85%, 4%

Color Variations & Tints

  • #F8746D

    Lightness: 70%

  • #F75D55

    Lightness: 65%

  • #F6453C

    Lightness: 60%

  • #F52F24

    Lightness: 55%

    Current color

  • #F4170B

    Lightness: 50%

  • #DB150A

    Lightness: 45%

  • #C31209

    Lightness: 40%

Accessibility

White Text
4.0
FAIL
Black Text
5.3
PASS
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 #F52F24

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

Current: #F52F24

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