/
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
#3D00C9
RGB Values
61, 0, 201
HSL Values
258°, 100%, 39%
CMYK Values
70%, 100%, 0%, 21%

Color Variations & Tints

  • #5B14FF

    Lightness: 54%

  • #4B00FA

    Lightness: 49%

  • #4300E0

    Lightness: 44%

  • #3D00C9

    Lightness: 39%

    Current color

  • #3400AD

    Lightness: 34%

  • #2C0094

    Lightness: 29%

  • #25007A

    Lightness: 24%

Accessibility

White Text
10.3
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 #3D00C9

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

Current: #3D00C9

Discover More Colors

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