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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
#FD2807
RGB Values
253, 40, 7
HSL Values
8°, 98%, 51%
CMYK Values
0%, 84%, 97%, 1%

Color Variations & Tints

  • #FD6A53

    Lightness: 66%

  • #FD543A

    Lightness: 61%

  • #FD3E21

    Lightness: 56%

  • #FD2807

    Lightness: 51%

    Current color

  • #E82102

    Lightness: 46%

  • #CF1D02

    Lightness: 41%

  • #B61A02

    Lightness: 36%

Accessibility

White Text
3.8
FAIL
Black Text
5.5
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 #FD2807

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

Current: #FD2807

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