/
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
#1548E0
RGB Values
21, 72, 224
HSL Values
225°, 83%, 48%
CMYK Values
91%, 68%, 0%, 12%

Color Variations & Tints

  • #5279EF

    Lightness: 63%

  • #3B67ED

    Lightness: 58%

  • #2455EB

    Lightness: 53%

  • #1548E0

    Lightness: 48%

    Current color

  • #1340C9

    Lightness: 43%

  • #1039B1

    Lightness: 38%

  • #0E319A

    Lightness: 33%

Accessibility

White Text
6.9
PASS
Black Text
3.0
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 #1548E0

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

Current: #1548E0

Discover More Colors

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