/
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
#0F18EE
RGB Values
15, 24, 238
HSL Values
238°, 88%, 50%
CMYK Values
94%, 90%, 0%, 7%

Color Variations & Tints

  • #575CF4

    Lightness: 65%

  • #3F45F3

    Lightness: 60%

  • #272EF1

    Lightness: 55%

  • #0F18EE

    Lightness: 50%

    Current color

  • #0E15D8

    Lightness: 45%

  • #0C12C0

    Lightness: 40%

  • #0B10A8

    Lightness: 35%

Accessibility

White Text
8.8
PASS
Black Text
2.4
FAIL
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 #0F18EE

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

Current: #0F18EE

Discover More Colors

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