/
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
#2B3782
RGB Values
43, 55, 130
HSL Values
232°, 50%, 34%
CMYK Values
67%, 58%, 0%, 49%

Color Variations & Tints

  • #3E4FBB

    Lightness: 49%

  • #3847A8

    Lightness: 44%

  • #323F95

    Lightness: 39%

  • #2B3782

    Lightness: 34%

    Current color

  • #252F6F

    Lightness: 29%

  • #1F275C

    Lightness: 24%

  • #181F49

    Lightness: 19%

Accessibility

White Text
10.7
PASS
Black Text
2.0
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 #2B3782

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

Current: #2B3782

Discover More Colors

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