#51A3FB Color
#51A3FB is rgb(81, 163, 251) in RGB and hsl(211, 96%, 65%) in HSL. The closest CSS named color is CornflowerBlue. Black text is most readable on this background.
#51A3FB
HEX
#51A3FBRGB
rgb(81, 163, 251)HSL
hsl(211, 96%, 65%)HSV
hsv(211, 68%, 98%)OKLCH
oklch(70.4% 0.152 252.2)CMYK
cmyk(68%, 35%, 0%, 2%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #51A3FB background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text2.63:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text7.98:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #51A3FB based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #51A3FB, useful for hover states, backgrounds, and text variants.