/
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
#4C81DF
RGB Values
76, 129, 223
HSL Values
218°, 70%, 59%
CMYK Values
66%, 42%, 0%, 13%

Color Variations & Tints

  • #8EB0EB

    Lightness: 74%

  • #79A1E7

    Lightness: 69%

  • #6392E3

    Lightness: 64%

  • #4C81DF

    Lightness: 59%

    Current color

  • #3874DC

    Lightness: 54%

  • #2566D4

    Lightness: 49%

  • #225BBF

    Lightness: 44%

Accessibility

White Text
3.8
FAIL
Black Text
5.5
PASS
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 #4C81DF

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

Current: #4C81DF

Discover More Colors

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