#51D3F0 Color
#51D3F0 is rgb(81, 211, 240) in RGB and hsl(191, 84%, 63%) in HSL. The closest CSS named color is MediumTurquoise. Black text is most readable on this background.
#51D3F0
HEX
#51D3F0RGB
rgb(81, 211, 240)HSL
hsl(191, 84%, 63%)HSV
hsv(191, 66%, 94%)OKLCH
oklch(80.7% 0.119 215.4)CMYK
cmyk(66%, 12%, 0%, 6%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #51D3F0 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text1.76:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text11.93:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #51D3F0 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #51D3F0, useful for hover states, backgrounds, and text variants.