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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
#B13B21
RGB Values
177, 59, 33
HSL Values
11°, 69%, 41%
CMYK Values
0%, 67%, 81%, 31%

Color Variations & Tints

  • #DC5E41

    Lightness: 56%

  • #D84B2C

    Lightness: 51%

  • #C64224

    Lightness: 46%

  • #B13B21

    Lightness: 41%

    Current color

  • #9B341C

    Lightness: 36%

  • #862D19

    Lightness: 31%

  • #702515

    Lightness: 26%

Accessibility

White Text
6.0
PASS
Black Text
3.5
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 #B13B21

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

Current: #B13B21

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