/
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
#3153E7
RGB Values
49, 83, 231
HSL Values
229°, 79%, 55%
CMYK Values
79%, 64%, 0%, 9%

Color Variations & Tints

  • #768CEF

    Lightness: 70%

  • #5F79EC

    Lightness: 65%

  • #4866EA

    Lightness: 60%

  • #3153E7

    Lightness: 55%

    Current color

  • #1B40E4

    Lightness: 50%

  • #1839CD

    Lightness: 45%

  • #1533B7

    Lightness: 40%

Accessibility

White Text
6.0
PASS
Black Text
3.5
FAIL
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 #3153E7

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

Current: #3153E7

Discover More Colors

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