#51B7FB Color
#51B7FB is rgb(81, 183, 251) in RGB and hsl(204, 96%, 65%) in HSL. The closest CSS named color is CornflowerBlue. Black text is most readable on this background.
#51B7FB
HEX
#51B7FBRGB
rgb(81, 183, 251)HSL
hsl(204, 96%, 65%)HSV
hsv(204, 68%, 98%)OKLCH
oklch(74.8% 0.136 241.2)CMYK
cmyk(68%, 27%, 0%, 2%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #51B7FB background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text2.21:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text9.52:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #51B7FB based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #51B7FB, useful for hover states, backgrounds, and text variants.