/
Colorbook
Sign in Sign up

Color Information

Red

Complete color analysis with professional format conversions, accessibility metrics, and harmonious color combinations for your design projects.

HEX Format
#ED4B38
RGB Values
237, 75, 56
HSL Values
6°, 83%, 57%
CMYK Values
0%, 68%, 76%, 7%

Color Variations & Tints

  • #F3887C

    Lightness: 72%

  • #F17365

    Lightness: 67%

  • #EF5E4E

    Lightness: 62%

  • #ED4B38

    Lightness: 57%

    Current color

  • #EA331F

    Lightness: 52%

  • #DB2814

    Lightness: 47%

  • #C42412

    Lightness: 42%

Accessibility

White Text
3.7
FAIL
Black Text
5.7
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 #ED4B38

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

Current: #ED4B38

Discover More Colors

Explore a randomly curated selection of colors. Each refresh brings new inspiration for your palette.