/
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
#858DFD
RGB Values
133, 141, 253
HSL Values
236°, 97%, 76%
CMYK Values
47%, 44%, 0%, 1%

Color Variations & Tints

  • #D2D5FE

    Lightness: 91%

  • #B9BDFE

    Lightness: 86%

  • #A0A6FE

    Lightness: 81%

  • #858DFD

    Lightness: 76%

    Current color

  • #6D77FD

    Lightness: 71%

  • #545FFC

    Lightness: 66%

  • #3B48FC

    Lightness: 61%

Accessibility

White Text
2.9
FAIL
Black Text
7.2
PASS
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 #858DFD

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

Current: #858DFD

Discover More Colors

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