/
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
#2373F9
RGB Values
35, 115, 249
HSL Values
218°, 95%, 56%
CMYK Values
86%, 54%, 0%, 2%

Color Variations & Tints

  • #6FA2FB

    Lightness: 71%

  • #5692FB

    Lightness: 66%

  • #3D82FA

    Lightness: 61%

  • #2373F9

    Lightness: 56%

    Current color

  • #0B62F9

    Lightness: 51%

  • #0658E5

    Lightness: 46%

  • #054ECC

    Lightness: 41%

Accessibility

White Text
4.3
FAIL
Black Text
4.9
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 #2373F9

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

Current: #2373F9

Discover More Colors

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