/
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
#373ABE
RGB Values
55, 58, 190
HSL Values
239°, 55%, 48%
CMYK Values
71%, 69%, 0%, 25%

Color Variations & Tints

  • #6D6ED5

    Lightness: 63%

  • #595BCF

    Lightness: 58%

  • #4547C9

    Lightness: 53%

  • #373ABE

    Lightness: 48%

    Current color

  • #3133AA

    Lightness: 43%

  • #2C2D96

    Lightness: 38%

  • #262782

    Lightness: 33%

Accessibility

White Text
8.4
PASS
Black Text
2.5
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 #373ABE

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

Current: #373ABE

Discover More Colors

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