#51AEFB Color
#51AEFB is rgb(81, 174, 251) in RGB and hsl(207, 96%, 65%) in HSL. The closest CSS named color is CornflowerBlue. Black text is most readable on this background.
#51AEFB
HEX
#51AEFBRGB
rgb(81, 174, 251)HSL
hsl(207, 96%, 65%)HSV
hsv(207, 68%, 98%)OKLCH
oklch(72.8% 0.143 246.5)CMYK
cmyk(68%, 31%, 0%, 2%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #51AEFB background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text2.39:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text8.8:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #51AEFB based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #51AEFB, useful for hover states, backgrounds, and text variants.