/
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
#166399
RGB Values
22, 99, 153
HSL Values
205°, 75%, 34%
CMYK Values
86%, 35%, 0%, 40%

Color Variations & Tints

  • #1F8DDB

    Lightness: 49%

  • #1C7EC4

    Lightness: 44%

  • #1970AE

    Lightness: 39%

  • #166399

    Lightness: 34%

    Current color

  • #125381

    Lightness: 29%

  • #0F456B

    Lightness: 24%

  • #0C3755

    Lightness: 19%

Accessibility

White Text
6.4
PASS
Black Text
3.3
FAIL
WCAG AA
PASS
WCAG AAA
FAIL

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 #166399

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

Current: #166399

Discover More Colors

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