/
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
#2721E2
RGB Values
39, 33, 226
HSL Values
242°, 77%, 51%
CMYK Values
83%, 85%, 0%, 11%

Color Variations & Tints

  • #6A66EB

    Lightness: 66%

  • #544FE8

    Lightness: 61%

  • #3E38E5

    Lightness: 56%

  • #2721E2

    Lightness: 51%

    Current color

  • #211BD0

    Lightness: 46%

  • #1D18B9

    Lightness: 41%

  • #1A15A2

    Lightness: 36%

Accessibility

White Text
8.7
PASS
Black Text
2.4
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 #2721E2

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

Current: #2721E2

Discover More Colors

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