/
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
#042FC1
RGB Values
4, 47, 193
HSL Values
226°, 96%, 39%
CMYK Values
98%, 76%, 0%, 24%

Color Variations & Tints

  • #194EFA

    Lightness: 54%

  • #053DF5

    Lightness: 49%

  • #0437DC

    Lightness: 44%

  • #042FC1

    Lightness: 39%

    Current color

  • #032AAA

    Lightness: 34%

  • #032491

    Lightness: 29%

  • #021E78

    Lightness: 24%

Accessibility

White Text
9.6
PASS
Black Text
2.2
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 #042FC1

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

Current: #042FC1

Discover More Colors

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