#51999E Color
#51999E is rgb(81, 153, 158) in RGB and hsl(184, 32%, 47%) in HSL. The closest CSS named color is CadetBlue. Black text is most readable on this background.
#51999E
HEX
#51999ERGB
rgb(81, 153, 158)HSL
hsl(184, 32%, 47%)HSV
hsv(184, 49%, 62%)OKLCH
oklch(63.8% 0.073 201.4)CMYK
cmyk(49%, 3%, 0%, 38%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #51999E background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text3.28:1AA normal ✗AA large ✓AAA normal ✗
TextBlack text6.4:1AA normal ✓AA large ✓AAA normal ✗
Color Harmonies
Colors that pair well with #51999E based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #51999E, useful for hover states, backgrounds, and text variants.