#42B5C2 Color
#42B5C2 is rgb(66, 181, 194) in RGB and hsl(186, 51%, 51%) in HSL. The closest CSS named color is MediumTurquoise. Black text is most readable on this background.
#42B5C2
HEX
#42B5C2RGB
rgb(66, 181, 194)HSL
hsl(186, 51%, 51%)HSV
hsv(186, 66%, 76%)OKLCH
oklch(71.4% 0.103 205.8)CMYK
cmyk(66%, 7%, 0%, 24%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #42B5C2 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text2.44:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text8.62:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #42B5C2 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #42B5C2, useful for hover states, backgrounds, and text variants.