/
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
#1281DA
RGB Values
18, 129, 218
HSL Values
207°, 85%, 46%
CMYK Values
92%, 41%, 0%, 15%

Color Variations & Tints

  • #47A4F0

    Lightness: 61%

  • #2F98EE

    Lightness: 56%

  • #188DEC

    Lightness: 51%

  • #1281DA

    Lightness: 46%

    Current color

  • #1071C1

    Lightness: 41%

  • #0E64AA

    Lightness: 36%

  • #0C5692

    Lightness: 31%

Accessibility

White Text
4.1
FAIL
Black Text
5.2
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 #1281DA

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

Current: #1281DA

Discover More Colors

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