/
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
#538AC6
RGB Values
83, 138, 198
HSL Values
211°, 50%, 55%
CMYK Values
58%, 30%, 0%, 22%

Color Variations & Tints

  • #8CB1D9

    Lightness: 70%

  • #79A4D2

    Lightness: 65%

  • #6697CC

    Lightness: 60%

  • #538AC6

    Lightness: 55%

    Current color

  • #407DBF

    Lightness: 50%

  • #3971AC

    Lightness: 45%

  • #336499

    Lightness: 40%

Accessibility

White Text
3.6
FAIL
Black Text
5.8
PASS
WCAG AA
PASS
WCAG AAA
FAIL

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 #538AC6

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

Current: #538AC6

Discover More Colors

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