/
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
#666FAC
RGB Values
102, 111, 172
HSL Values
232°, 30%, 54%
CMYK Values
41%, 35%, 0%, 33%

Color Variations & Tints

  • #989FC8

    Lightness: 69%

  • #888FBF

    Lightness: 64%

  • #777FB6

    Lightness: 59%

  • #666FAC

    Lightness: 54%

    Current color

  • #5761A2

    Lightness: 49%

  • #4F5892

    Lightness: 44%

  • #464E81

    Lightness: 39%

Accessibility

White Text
4.7
PASS
Black Text
4.4
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 #666FAC

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

Current: #666FAC

Discover More Colors

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