/
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
#317ED8
RGB Values
49, 126, 216
HSL Values
212°, 68%, 52%
CMYK Values
77%, 42%, 0%, 15%

Color Variations & Tints

  • #72A7E4

    Lightness: 67%

  • #5C9AE0

    Lightness: 62%

  • #478CDC

    Lightness: 57%

  • #317ED8

    Lightness: 52%

    Current color

  • #2672C9

    Lightness: 47%

  • #2266B4

    Lightness: 42%

  • #1E5A9F

    Lightness: 37%

Accessibility

White Text
4.1
FAIL
Black Text
5.1
PASS
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 #317ED8

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

Current: #317ED8

Discover More Colors

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