/
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
#2458B0
RGB Values
36, 88, 176
HSL Values
218°, 66%, 42%
CMYK Values
80%, 50%, 0%, 31%

Color Variations & Tints

  • #497EDA

    Lightness: 57%

  • #346FD5

    Lightness: 52%

  • #2963C7

    Lightness: 47%

  • #2458B0

    Lightness: 42%

    Current color

  • #204E9D

    Lightness: 37%

  • #1C4387

    Lightness: 32%

  • #173972

    Lightness: 27%

Accessibility

White Text
6.8
PASS
Black Text
3.1
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 #2458B0

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

Current: #2458B0

Discover More Colors

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