/
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
#4010E3
RGB Values
64, 16, 227
HSL Values
254°, 87%, 48%
CMYK Values
72%, 93%, 0%, 11%

Color Variations & Tints

  • #754FF3

    Lightness: 63%

  • #6237F1

    Lightness: 58%

  • #501FEF

    Lightness: 53%

  • #4010E3

    Lightness: 48%

    Current color

  • #3B0ECD

    Lightness: 43%

  • #340DB5

    Lightness: 38%

  • #2D0B9D

    Lightness: 33%

Accessibility

White Text
8.7
PASS
Black Text
2.4
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 #4010E3

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

Current: #4010E3

Discover More Colors

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