/
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
#2876B7
RGB Values
40, 118, 183
HSL Values
207°, 64%, 44%
CMYK Values
78%, 36%, 0%, 28%

Color Variations & Tints

  • #549DD9

    Lightness: 59%

  • #3F91D5

    Lightness: 54%

  • #2D85CD

    Lightness: 49%

  • #2876B7

    Lightness: 44%

    Current color

  • #246AA3

    Lightness: 39%

  • #1F5C8E

    Lightness: 34%

  • #1B4F79

    Lightness: 29%

Accessibility

White Text
4.8
PASS
Black Text
4.4
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 #2876B7

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

Current: #2876B7

Discover More Colors

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