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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
#B5241A
RGB Values
181, 36, 26
HSL Values
4°, 75%, 41%
CMYK Values
0%, 80%, 86%, 29%

Color Variations & Tints

  • #E3463B

    Lightness: 56%

  • #E03124

    Lightness: 51%

  • #CD291D

    Lightness: 46%

  • #B5241A

    Lightness: 41%

    Current color

  • #A12017

    Lightness: 36%

  • #8A1C14

    Lightness: 31%

  • #741711

    Lightness: 26%

Accessibility

White Text
6.5
PASS
Black Text
3.2
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 #B5241A

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

Current: #B5241A

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