/
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
#0427C9
RGB Values
4, 39, 201
HSL Values
229°, 96%, 40%
CMYK Values
98%, 81%, 0%, 21%

Color Variations & Tints

  • #1E46FA

    Lightness: 55%

  • #0532FA

    Lightness: 50%

  • #052DE1

    Lightness: 45%

  • #0427C9

    Lightness: 40%

    Current color

  • #0423AF

    Lightness: 35%

  • #031E96

    Lightness: 30%

  • #03197D

    Lightness: 25%

Accessibility

White Text
9.8
PASS
Black Text
2.1
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 #0427C9

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

Current: #0427C9

Discover More Colors

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