/
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
#91CDF3
RGB Values
145, 205, 243
HSL Values
203°, 80%, 76%
CMYK Values
40%, 16%, 0%, 5%

Color Variations & Tints

  • #D6ECFA

    Lightness: 91%

  • #BFE2F8

    Lightness: 86%

  • #A8D8F5

    Lightness: 81%

  • #91CDF3

    Lightness: 76%

    Current color

  • #7AC3F0

    Lightness: 71%

  • #63B8EE

    Lightness: 66%

  • #4CAEEB

    Lightness: 61%

Accessibility

White Text
1.7
FAIL
Black Text
12.2
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 #91CDF3

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

Current: #91CDF3

Discover More Colors

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