#66B1EA Color

#66B1EA is rgb(102, 177, 234) in RGB and hsl(206, 76%, 66%) in HSL. The closest CSS named color is CornflowerBlue. Black text is most readable on this background.

#66B1EA

HEX#66B1EA

RGBrgb(102, 177, 234)

HSLhsl(206, 76%, 66%)

HSVhsv(206, 56%, 92%)

OKLCHoklch(73.5% 0.112 243.1)

CMYKcmyk(56%, 24%, 0%, 8%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #66B1EA background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text2.32:1AA normal ✗AA large ✗AAA normal ✗

TextBlack text9.04:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #66B1EA based on color wheel relationships. Click any swatch for its full breakdown.

Base#66B1EA Complementary#EAA066 Analogous#66EAE1 Analogous#666FEA Triadic#EA66B1 Triadic#B1EA66

Tints & Shades

Lighter tints and darker shades of #66B1EA, useful for hover states, backgrounds, and text variants.

Tints

#7DBDED #8FC6F0 #A5D1F3 #B7DAF5 #CEE6F8 #E0EFFB

Shades

#3E9CE5 #1D87D7 #186EAF #13578B #0D3E63 #08253A

Use #66B1EA in Our Tools

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