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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
#E3553F
RGB Values
227, 85, 63
HSL Values
8°, 75%, 57%
CMYK Values
0%, 63%, 72%, 11%

Color Variations & Tints

  • #ED9082

    Lightness: 72%

  • #EA7D6C

    Lightness: 67%

  • #E76955

    Lightness: 62%

  • #E3553F

    Lightness: 57%

    Current color

  • #E04129

    Lightness: 52%

  • #D2361E

    Lightness: 47%

  • #BB301B

    Lightness: 42%

Accessibility

White Text
3.7
FAIL
Black Text
5.6
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 #E3553F

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

Current: #E3553F

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