/
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
#18066D
RGB Values
24, 6, 109
HSL Values
250°, 90%, 23%
CMYK Values
78%, 94%, 0%, 57%

Color Variations & Tints

  • #270AB8

    Lightness: 38%

  • #2208A0

    Lightness: 33%

  • #1D0788

    Lightness: 28%

  • #18066D

    Lightness: 23%

    Current color

  • #120557

    Lightness: 18%

  • #0D033F

    Lightness: 13%

  • #080227

    Lightness: 8%

Accessibility

White Text
16.3
PASS
Black Text
1.3
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 #18066D

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

Current: #18066D

Discover More Colors

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