/
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
#311856
RGB Values
49, 24, 86
HSL Values
264°, 56%, 22%
CMYK Values
43%, 72%, 0%, 66%

Color Variations & Tints

  • #542A93

    Lightness: 37%

  • #48247F

    Lightness: 32%

  • #3D1E6B

    Lightness: 27%

  • #311856

    Lightness: 22%

    Current color

  • #261344

    Lightness: 17%

  • #1B0D30

    Lightness: 12%

  • #10081C

    Lightness: 7%

Accessibility

White Text
15.0
PASS
Black Text
1.4
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 #311856

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

Current: #311856

Discover More Colors

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