#66B9CC Color

#66B9CC is rgb(102, 185, 204) in RGB and hsl(191, 50%, 60%) in HSL. The closest CSS named color is MediumTurquoise. Black text is most readable on this background.

#66B9CC

HEX#66B9CC

RGBrgb(102, 185, 204)

HSLhsl(191, 50%, 60%)

HSVhsv(191, 50%, 80%)

OKLCHoklch(74% 0.085 214.3)

CMYKcmyk(50%, 9%, 0%, 20%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #66B9CC background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text2.24:1AA normal ✗AA large ✗AAA normal ✗

TextBlack text9.38:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #66B9CC based on color wheel relationships. Click any swatch for its full breakdown.

Base#66B9CC Complementary#CC7966 Analogous#66CCAC Analogous#6686CC Triadic#CC66B9 Triadic#B9CC66

Tints & Shades

Lighter tints and darker shades of #66B9CC, useful for hover states, backgrounds, and text variants.

Tints

#79C2D2 #90CCDA #A3D5E0 #BAE0E8 #CDE8EE #E4F3F6

Shades

#47ABC2 #3894A8 #2E798A #245E6B #19434D #0F282E

Use #66B9CC in Our Tools

Hex to RGB Hex to HSL Hex to CMYK Hex to Pantone RGBA to Hex