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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
#B9D9F0
RGB Values
185, 217, 240
HSL Values
205°, 65%, 83%
CMYK Values
23%, 10%, 0%, 6%

Color Variations & Tints

  • #F7FAFD

    Lightness: 98%

  • #E2EFF9

    Lightness: 93%

  • #CDE4F4

    Lightness: 88%

  • #B9D9F0

    Lightness: 83%

    Current color

  • #A2CDEB

    Lightness: 78%

  • #8DC2E7

    Lightness: 73%

  • #78B6E2

    Lightness: 68%

Accessibility

White Text
1.5
FAIL
Black Text
14.2
PASS
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 #B9D9F0

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

Current: #B9D9F0

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