/
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
#0491F0
RGB Values
4, 145, 240
HSL Values
204°, 97%, 48%
CMYK Values
98%, 40%, 0%, 6%

Color Variations & Tints

  • #45B3FC

    Lightness: 63%

  • #2CA9FC

    Lightness: 58%

  • #139EFB

    Lightness: 53%

  • #0491F0

    Lightness: 48%

    Current color

  • #0383D8

    Lightness: 43%

  • #0374BF

    Lightness: 38%

  • #0364A6

    Lightness: 33%

Accessibility

White Text
3.3
FAIL
Black Text
6.3
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 #0491F0

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

Current: #0491F0

Discover More Colors

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