#51A2B8 Color
#51A2B8 is rgb(81, 162, 184) in RGB and hsl(193, 42%, 52%) in HSL. The closest CSS named color is CadetBlue. Black text is most readable on this background.
#51A2B8
HEX
#51A2B8RGB
rgb(81, 162, 184)HSL
hsl(193, 42%, 52%)HSV
hsv(193, 56%, 72%)OKLCH
oklch(67% 0.085 217.9)CMYK
cmyk(56%, 12%, 0%, 28%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #51A2B8 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text2.91:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text7.21:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #51A2B8 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #51A2B8, useful for hover states, backgrounds, and text variants.