/
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
#558ECB
RGB Values
85, 142, 203
HSL Values
211°, 53%, 56%
CMYK Values
58%, 30%, 0%, 20%

Color Variations & Tints

  • #8EB4DC

    Lightness: 71%

  • #7AA7D6

    Lightness: 66%

  • #679AD0

    Lightness: 61%

  • #558ECB

    Lightness: 56%

    Current color

  • #4080C4

    Lightness: 51%

  • #3773B3

    Lightness: 46%

  • #3167A0

    Lightness: 41%

Accessibility

White Text
3.4
FAIL
Black Text
6.1
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 #558ECB

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

Current: #558ECB

Discover More Colors

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