/
Colorbook
Sign in Sign up

Color Information

Red

Complete color analysis with professional format conversions, accessibility metrics, and harmonious color combinations for your design projects.

HEX Format
#A11B12
RGB Values
161, 27, 18
HSL Values
4°, 80%, 35%
CMYK Values
0%, 83%, 89%, 37%

Color Variations & Tints

  • #E6271A

    Lightness: 50%

  • #CF2317

    Lightness: 45%

  • #B81F14

    Lightness: 40%

  • #A11B12

    Lightness: 35%

    Current color

  • #8A170F

    Lightness: 30%

  • #73140D

    Lightness: 25%

  • #5C100A

    Lightness: 20%

Accessibility

White Text
7.8
PASS
Black Text
2.7
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 #A11B12

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

Current: #A11B12

Discover More Colors

Explore a randomly curated selection of colors. Each refresh brings new inspiration for your palette.