/
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
#19397B
RGB Values
25, 57, 123
HSL Values
220°, 66%, 29%
CMYK Values
80%, 54%, 0%, 52%

Color Variations & Tints

  • #2658BA

    Lightness: 44%

  • #224EA5

    Lightness: 39%

  • #1D4490

    Lightness: 34%

  • #19397B

    Lightness: 29%

    Current color

  • #153066

    Lightness: 24%

  • #102650

    Lightness: 19%

  • #0C1C3B

    Lightness: 14%

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 #19397B

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

Current: #19397B

Discover More Colors

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