/
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
#2A7EB5
RGB Values
42, 126, 181
HSL Values
204°, 62%, 44%
CMYK Values
77%, 30%, 0%, 29%

Color Variations & Tints

  • #56A3D7

    Lightness: 59%

  • #4198D2

    Lightness: 54%

  • #2F8CCA

    Lightness: 49%

  • #2A7EB5

    Lightness: 44%

    Current color

  • #2670A1

    Lightness: 39%

  • #21618C

    Lightness: 34%

  • #1C5378

    Lightness: 29%

Accessibility

White Text
4.4
FAIL
Black Text
4.8
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 #2A7EB5

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

Current: #2A7EB5

Discover More Colors

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