#51C5FB Color
#51C5FB is rgb(81, 197, 251) in RGB and hsl(199, 96%, 65%) in HSL. The closest CSS named color is MediumTurquoise. Black text is most readable on this background.
#51C5FB
HEX
#51C5FBRGB
rgb(81, 197, 251)HSL
hsl(199, 96%, 65%)HSV
hsv(199, 68%, 98%)OKLCH
oklch(77.9% 0.129 232)CMYK
cmyk(68%, 22%, 0%, 2%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #51C5FB background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text1.96:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text10.73:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #51C5FB based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #51C5FB, useful for hover states, backgrounds, and text variants.