/
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
#1809C7
RGB Values
24, 9, 199
HSL Values
245°, 91%, 41%
CMYK Values
88%, 95%, 0%, 22%

Color Variations & Tints

  • #3A29F5

    Lightness: 56%

  • #2310F4

    Lightness: 51%

  • #1C0BE0

    Lightness: 46%

  • #1809C7

    Lightness: 41%

    Current color

  • #1608AF

    Lightness: 36%

  • #130797

    Lightness: 31%

  • #10067F

    Lightness: 26%

Accessibility

White Text
11.0
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 #1809C7

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

Current: #1809C7

Discover More Colors

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