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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
#811001
RGB Values
129, 16, 1
HSL Values
7°, 98%, 25%
CMYK Values
0%, 88%, 99%, 49%

Color Variations & Tints

  • #CA1902

    Lightness: 40%

  • #B11602

    Lightness: 35%

  • #971302

    Lightness: 30%

  • #811001

    Lightness: 25%

    Current color

  • #650D01

    Lightness: 20%

  • #4C0A01

    Lightness: 15%

  • #320601

    Lightness: 10%

Accessibility

White Text
10.5
PASS
Black Text
2.0
FAIL
WCAG AA
PASS
WCAG AAA
PASS

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 #811001

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

Current: #811001

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