/
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
#57ACE9
RGB Values
87, 172, 233
HSL Values
205°, 77%, 63%
CMYK Values
63%, 26%, 0%, 9%

Color Variations & Tints

  • #9CCEF2

    Lightness: 78%

  • #85C3EF

    Lightness: 73%

  • #6FB8EC

    Lightness: 68%

  • #57ACE9

    Lightness: 63%

    Current color

  • #41A2E6

    Lightness: 58%

  • #2B97E3

    Lightness: 53%

  • #1C8AD9

    Lightness: 48%

Accessibility

White Text
2.5
FAIL
Black Text
8.5
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 #57ACE9

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

Current: #57ACE9

Discover More Colors

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