/
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
#165BE4
RGB Values
22, 91, 228
HSL Values
220°, 82%, 49%
CMYK Values
90%, 60%, 0%, 11%

Color Variations & Tints

  • #588AEE

    Lightness: 64%

  • #417AEC

    Lightness: 59%

  • #2A6AEA

    Lightness: 54%

  • #165BE4

    Lightness: 49%

    Current color

  • #1452CC

    Lightness: 44%

  • #1248B5

    Lightness: 39%

  • #103F9E

    Lightness: 34%

Accessibility

White Text
5.8
PASS
Black Text
3.7
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 #165BE4

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

Current: #165BE4

Discover More Colors

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