#40B9DD Color
#40B9DD is rgb(64, 185, 221) in RGB and hsl(194, 70%, 56%) in HSL. The closest CSS named color is MediumTurquoise. Black text is most readable on this background.
#40B9DD
HEX
#40B9DDRGB
rgb(64, 185, 221)HSL
hsl(194, 70%, 56%)HSV
hsv(194, 71%, 87%)OKLCH
oklch(73.4% 0.116 221.8)CMYK
cmyk(71%, 16%, 0%, 13%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #40B9DD background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text2.28:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text9.2:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #40B9DD based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #40B9DD, useful for hover states, backgrounds, and text variants.