/
Colorbook
Sign in Sign up

Color Information

Black

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

HEX Format
#644AAC
RGB Values
100, 74, 172
HSL Values
256°, 40%, 48%
CMYK Values
42%, 57%, 0%, 33%

Color Variations & Tints

  • #8F7BC6

    Lightness: 63%

  • #8069BF

    Lightness: 58%

  • #7157B7

    Lightness: 53%

  • #644AAC

    Lightness: 48%

    Current color

  • #59429A

    Lightness: 43%

  • #4F3A88

    Lightness: 38%

  • #443276

    Lightness: 33%

Accessibility

White Text
6.7
PASS
Black Text
3.1
FAIL
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 #644AAC

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

Current: #644AAC

Discover More Colors

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