#42B8EB Color
#42B8EB is rgb(66, 184, 235) in RGB and hsl(198, 81%, 59%) in HSL. The closest CSS named color is MediumTurquoise. Black text is most readable on this background.
#42B8EB
HEX
#42B8EBRGB
rgb(66, 184, 235)HSL
hsl(198, 81%, 59%)HSV
hsv(198, 72%, 92%)OKLCH
oklch(73.8% 0.126 230.9)CMYK
cmyk(72%, 22%, 0%, 8%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #42B8EB background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text2.26:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text9.29:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #42B8EB based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #42B8EB, useful for hover states, backgrounds, and text variants.