/
Colorbook
Sign in Sign up

Color Information

Blue

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

HEX Format
#665FCE
RGB Values
102, 95, 206
HSL Values
244°, 53%, 59%
CMYK Values
50%, 54%, 0%, 19%

Color Variations & Tints

  • #9E9AE0

    Lightness: 74%

  • #8C86DA

    Lightness: 69%

  • #7973D4

    Lightness: 64%

  • #665FCE

    Lightness: 59%

    Current color

  • #544CC8

    Lightness: 54%

  • #443BBF

    Lightness: 49%

  • #3D35AC

    Lightness: 44%

Accessibility

White Text
5.1
PASS
Black Text
4.1
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 #665FCE

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

Current: #665FCE

Discover More Colors

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