/
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
#152A5A
RGB Values
21, 42, 90
HSL Values
222°, 62%, 22%
CMYK Values
77%, 53%, 0%, 65%

Color Variations & Tints

  • #244799

    Lightness: 37%

  • #1F3D84

    Lightness: 32%

  • #1A3470

    Lightness: 27%

  • #152A5A

    Lightness: 22%

    Current color

  • #102146

    Lightness: 17%

  • #0C1732

    Lightness: 12%

  • #070D1D

    Lightness: 7%

Accessibility

White Text
13.9
PASS
Black Text
1.5
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 #152A5A

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

Current: #152A5A

Discover More Colors

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