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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
#E75C40
RGB Values
231, 92, 64
HSL Values
10°, 78%, 58%
CMYK Values
0%, 60%, 72%, 9%

Color Variations & Tints

  • #F09684

    Lightness: 73%

  • #ED836E

    Lightness: 68%

  • #EA7057

    Lightness: 63%

  • #E75C40

    Lightness: 58%

    Current color

  • #E5492A

    Lightness: 53%

  • #DA3B1B

    Lightness: 48%

  • #C33518

    Lightness: 43%

Accessibility

White Text
3.5
FAIL
Black Text
6.0
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 #E75C40

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

Current: #E75C40

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