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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
#B11206
RGB Values
177, 18, 6
HSL Values
4°, 93%, 36%
CMYK Values
0%, 90%, 97%, 31%

Color Variations & Tints

  • #F61D0E

    Lightness: 51%

  • #E21708

    Lightness: 46%

  • #CA1407

    Lightness: 41%

  • #B11206

    Lightness: 36%

    Current color

  • #990F06

    Lightness: 31%

  • #800D05

    Lightness: 26%

  • #670A04

    Lightness: 21%

Accessibility

White Text
7.1
PASS
Black Text
3.0
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 #B11206

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

Current: #B11206

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