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Colorbook
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Color Information

Blue

Complete color analysis with professional format conversions, accessibility metrics, and harmonious color combinations for your design projects.

HEX Format
#2D8AFB
RGB Values
45, 138, 251
HSL Values
213°, 96%, 58%
CMYK Values
82%, 45%, 0%, 2%

Color Variations & Tints

  • #78B4FC

    Lightness: 73%

  • #5FA6FC

    Lightness: 68%

  • #4698FB

    Lightness: 63%

  • #2D8AFB

    Lightness: 58%

    Current color

  • #147CFA

    Lightness: 53%

  • #056FF0

    Lightness: 48%

  • #0463D7

    Lightness: 43%

Accessibility

White Text
3.4
FAIL
Black Text
6.1
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 #2D8AFB

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

Current: #2D8AFB

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