/
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
#57B3FF
RGB Values
87, 179, 255
HSL Values
207°, 100%, 67%
CMYK Values
66%, 30%, 0%, 0%

Color Variations & Tints

  • #A3D6FF

    Lightness: 82%

  • #8ACAFF

    Lightness: 77%

  • #70BFFF

    Lightness: 72%

  • #57B3FF

    Lightness: 67%

    Current color

  • #3DA8FF

    Lightness: 62%

  • #249CFF

    Lightness: 57%

  • #0A91FF

    Lightness: 52%

Accessibility

White Text
2.3
FAIL
Black Text
9.3
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 #57B3FF

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

Current: #57B3FF

Discover More Colors

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