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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
#D50501
RGB Values
213, 5, 1
HSL Values
1°, 99%, 42%
CMYK Values
0%, 98%, 100%, 16%

Color Variations & Tints

  • #FE2825

    Lightness: 57%

  • #FE0F0B

    Lightness: 52%

  • #EF0501

    Lightness: 47%

  • #D50501

    Lightness: 42%

    Current color

  • #BC0401

    Lightness: 37%

  • #A20401

    Lightness: 32%

  • #890301

    Lightness: 27%

Accessibility

White Text
5.5
PASS
Black Text
3.9
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 #D50501

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

Current: #D50501

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