/
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
#243684
RGB Values
36, 54, 132
HSL Values
229°, 57%, 33%
CMYK Values
73%, 59%, 0%, 48%

Color Variations & Tints

  • #354EC0

    Lightness: 48%

  • #2F46AC

    Lightness: 43%

  • #2A3E98

    Lightness: 38%

  • #243684

    Lightness: 33%

    Current color

  • #1F2E70

    Lightness: 28%

  • #19255C

    Lightness: 23%

  • #141D48

    Lightness: 18%

Accessibility

White Text
10.8
PASS
Black Text
1.9
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 #243684

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

Current: #243684

Discover More Colors

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