#51C5EC Color
#51C5EC is rgb(81, 197, 236) in RGB and hsl(195, 80%, 62%) in HSL. The closest CSS named color is MediumTurquoise. Black text is most readable on this background.
#51C5EC
HEX
#51C5ECRGB
rgb(81, 197, 236)HSL
hsl(195, 80%, 62%)HSV
hsv(195, 66%, 93%)OKLCH
oklch(77.3% 0.117 223.7)CMYK
cmyk(66%, 17%, 0%, 7%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #51C5EC background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text1.99:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text10.55:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #51C5EC based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #51C5EC, useful for hover states, backgrounds, and text variants.