/
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
#2816ED
RGB Values
40, 22, 237
HSL Values
245°, 86%, 51%
CMYK Values
83%, 91%, 0%, 7%

Color Variations & Tints

  • #6A5EF3

    Lightness: 66%

  • #5446F1

    Lightness: 61%

  • #3E2EEF

    Lightness: 56%

  • #2816ED

    Lightness: 51%

    Current color

  • #2110DA

    Lightness: 46%

  • #1E0FC2

    Lightness: 41%

  • #1A0DAB

    Lightness: 36%

Accessibility

White Text
8.6
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 #2816ED

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

Current: #2816ED

Discover More Colors

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