#40B9C9 Color
#40B9C9 is rgb(64, 185, 201) in RGB and hsl(187, 56%, 52%) in HSL. The closest CSS named color is MediumTurquoise. Black text is most readable on this background.
#40B9C9
HEX
#40B9C9RGB
rgb(64, 185, 201)HSL
hsl(187, 56%, 52%)HSV
hsv(187, 68%, 79%)OKLCH
oklch(72.6% 0.107 207.7)CMYK
cmyk(68%, 8%, 0%, 21%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #40B9C9 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text2.33:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text9:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #40B9C9 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #40B9C9, useful for hover states, backgrounds, and text variants.