/
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
#045CCB
RGB Values
4, 92, 203
HSL Values
213°, 96%, 41%
CMYK Values
98%, 55%, 0%, 20%

Color Variations & Tints

  • #2384FB

    Lightness: 56%

  • #0A76FA

    Lightness: 51%

  • #056AE6

    Lightness: 46%

  • #045CCB

    Lightness: 41%

    Current color

  • #0453B4

    Lightness: 36%

  • #03479B

    Lightness: 31%

  • #033C82

    Lightness: 26%

Accessibility

White Text
6.2
PASS
Black Text
3.4
FAIL
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 #045CCB

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

Current: #045CCB

Discover More Colors

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