/
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
#253BC0
RGB Values
37, 59, 192
HSL Values
231°, 68%, 45%
CMYK Values
81%, 69%, 0%, 25%

Color Variations & Tints

  • #5468DE

    Lightness: 60%

  • #3E56DA

    Lightness: 55%

  • #2943D6

    Lightness: 50%

  • #253BC0

    Lightness: 45%

    Current color

  • #2135AB

    Lightness: 40%

  • #1D2F96

    Lightness: 35%

  • #182881

    Lightness: 30%

Accessibility

White Text
8.5
PASS
Black Text
2.5
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 #253BC0

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

Current: #253BC0

Discover More Colors

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