/
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
#0243D9
RGB Values
2, 67, 217
HSL Values
222°, 98%, 43%
CMYK Values
99%, 69%, 0%, 15%

Color Variations & Tints

  • #2B6AFD

    Lightness: 58%

  • #1258FD

    Lightness: 53%

  • #024AF2

    Lightness: 48%

  • #0243D9

    Lightness: 43%

    Current color

  • #023BC0

    Lightness: 38%

  • #0233A7

    Lightness: 33%

  • #012B8D

    Lightness: 28%

Accessibility

White Text
7.5
PASS
Black Text
2.8
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 #0243D9

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

Current: #0243D9

Discover More Colors

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