#40B8E7 Color
#40B8E7 is rgb(64, 184, 231) in RGB and hsl(197, 78%, 58%) in HSL. The closest CSS named color is MediumTurquoise. Black text is most readable on this background.
#40B8E7
HEX
#40B8E7RGB
rgb(64, 184, 231)HSL
hsl(197, 78%, 58%)HSV
hsv(197, 72%, 91%)OKLCH
oklch(73.6% 0.124 228.5)CMYK
cmyk(72%, 20%, 0%, 9%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #40B8E7 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 text9.23:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #40B8E7 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #40B8E7, useful for hover states, backgrounds, and text variants.