/
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
#400EC3
RGB Values
64, 14, 195
HSL Values
257°, 87%, 41%
CMYK Values
67%, 93%, 0%, 24%

Color Variations & Tints

  • #652DF0

    Lightness: 56%

  • #5315EF

    Lightness: 51%

  • #490FDB

    Lightness: 46%

  • #400EC3

    Lightness: 41%

    Current color

  • #390CAC

    Lightness: 36%

  • #310A94

    Lightness: 31%

  • #29097C

    Lightness: 26%

Accessibility

White Text
10.2
PASS
Black Text
2.1
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 #400EC3

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

Current: #400EC3

Discover More Colors

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