#66B5D1 Color

#66B5D1 is rgb(102, 181, 209) in RGB and hsl(196, 54%, 61%) in HSL. The closest CSS named color is MediumTurquoise. Black text is most readable on this background.

#66B5D1

HEX#66B5D1

RGBrgb(102, 181, 209)

HSLhsl(196, 54%, 61%)

HSVhsv(196, 51%, 82%)

OKLCHoklch(73.3% 0.088 223.2)

CMYKcmyk(51%, 13%, 0%, 18%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #66B5D1 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text2.31:1AA normal ✗AA large ✗AAA normal ✗

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

Color Harmonies

Colors that pair well with #66B5D1 based on color wheel relationships. Click any swatch for its full breakdown.

Base#66B5D1 Complementary#D18266 Analogous#66D1B8 Analogous#667FD1 Triadic#D166B5 Triadic#B5D166

Tints & Shades

Lighter tints and darker shades of #66B5D1, useful for hover states, backgrounds, and text variants.

Tints

#79BED7 #91CADE #A5D3E4 #B8DDEA #CCE6F0 #E4F2F7

Shades

#46A5C8 #3590B1 #2B7691 #21596E #17404F #0E262F

Use #66B5D1 in Our Tools

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