#51C0DB Color
#51C0DB is rgb(81, 192, 219) in RGB and hsl(192, 66%, 59%) in HSL. The closest CSS named color is MediumTurquoise. Black text is most readable on this background.
#51C0DB
HEX
#51C0DBRGB
rgb(81, 192, 219)HSL
hsl(192, 66%, 59%)HSV
hsv(192, 63%, 86%)OKLCH
oklch(75.5% 0.107 216.6)CMYK
cmyk(63%, 12%, 0%, 14%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #51C0DB background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text2.12:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text9.91:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #51C0DB based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #51C0DB, useful for hover states, backgrounds, and text variants.