#42C9EB Color
#42C9EB is rgb(66, 201, 235) in RGB and hsl(192, 81%, 59%) in HSL. The closest CSS named color is MediumTurquoise. Black text is most readable on this background.
#42C9EB
HEX
#42C9EBRGB
rgb(66, 201, 235)HSL
hsl(192, 81%, 59%)HSV
hsv(192, 72%, 92%)OKLCH
oklch(77.8% 0.123 218.4)CMYK
cmyk(72%, 14%, 0%, 8%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #42C9EB background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text1.95:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text10.79:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #42C9EB based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #42C9EB, useful for hover states, backgrounds, and text variants.