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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
#CA3707
RGB Values
202, 55, 7
HSL Values
15°, 93%, 41%
CMYK Values
0%, 73%, 97%, 21%

Color Variations & Tints

  • #F75B26

    Lightness: 56%

  • #F6480E

    Lightness: 51%

  • #E23F08

    Lightness: 46%

  • #CA3707

    Lightness: 41%

    Current color

  • #B13106

    Lightness: 36%

  • #992A06

    Lightness: 31%

  • #802305

    Lightness: 26%

Accessibility

White Text
5.2
PASS
Black Text
4.1
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 #CA3707

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

Current: #CA3707

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