/
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
#331574
RGB Values
51, 21, 116
HSL Values
259°, 69%, 27%
CMYK Values
56%, 82%, 0%, 55%

Color Variations & Tints

  • #5021B5

    Lightness: 42%

  • #461D9F

    Lightness: 37%

  • #3D198A

    Lightness: 32%

  • #331574

    Lightness: 27%

    Current color

  • #2A115F

    Lightness: 22%

  • #200D49

    Lightness: 17%

  • #170934

    Lightness: 12%

Accessibility

White Text
14.0
PASS
Black Text
1.5
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 #331574

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

Current: #331574

Discover More Colors

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