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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
#A0270B
RGB Values
160, 39, 11
HSL Values
11°, 87%, 34%
CMYK Values
0%, 76%, 93%, 37%

Color Variations & Tints

  • #EA3810

    Lightness: 49%

  • #D2320F

    Lightness: 44%

  • #BA2D0D

    Lightness: 39%

  • #A0270B

    Lightness: 34%

    Current color

  • #8A210A

    Lightness: 29%

  • #721B08

    Lightness: 24%

  • #5B1606

    Lightness: 19%

Accessibility

White Text
7.5
PASS
Black Text
2.8
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 #A0270B

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

Current: #A0270B

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