#66C3D1 Color

#66C3D1 is rgb(102, 195, 209) in RGB and hsl(188, 54%, 61%) in HSL. The closest CSS named color is MediumTurquoise. Black text is most readable on this background.

#66C3D1

HEX#66C3D1

RGBrgb(102, 195, 209)

HSLhsl(188, 54%, 61%)

HSVhsv(188, 51%, 82%)

OKLCHoklch(76.5% 0.09 208.3)

CMYKcmyk(51%, 7%, 0%, 18%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #66C3D1 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text2.04:1AA normal ✗AA large ✗AAA normal ✗

TextBlack text10.29:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #66C3D1 based on color wheel relationships. Click any swatch for its full breakdown.

Base#66C3D1 Complementary#D17466 Analogous#66D1AA Analogous#668DD1 Triadic#D166C3 Triadic#C3D166

Tints & Shades

Lighter tints and darker shades of #66C3D1, useful for hover states, backgrounds, and text variants.

Tints

#79CBD7 #91D4DE #A5DCE4 #B8E3EA #CCEBF0 #E4F4F7

Shades

#46B7C8 #35A0B1 #2B8491 #21646E #17474F #0E2B2F

Use #66C3D1 in Our Tools

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