#42D9FF Color
#42D9FF is rgb(66, 217, 255) in RGB and hsl(192, 100%, 63%) in HSL. The closest CSS named color is Turquoise. Black text is most readable on this background.
#42D9FF
HEX
#42D9FFRGB
rgb(66, 217, 255)HSL
hsl(192, 100%, 63%)HSV
hsv(192, 74%, 100%)OKLCH
oklch(82.3% 0.133 218.8)CMYK
cmyk(74%, 15%, 0%, 0%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #42D9FF background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text1.67:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text12.6:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #42D9FF based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #42D9FF, useful for hover states, backgrounds, and text variants.