#51818A Color
#51818A is rgb(81, 129, 138) in RGB and hsl(189, 26%, 43%) in HSL. The closest CSS named color is SlateGray. Black text is most readable on this background.
#51818A
HEX
#51818ARGB
rgb(81, 129, 138)HSL
hsl(189, 26%, 43%)HSV
hsv(189, 41%, 54%)OKLCH
oklch(57.2% 0.054 210.7)CMYK
cmyk(41%, 7%, 0%, 46%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #51818A background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text4.32:1AA normal ✗AA large ✓AAA normal ✗
TextBlack text4.86:1AA normal ✓AA large ✓AAA normal ✗
Color Harmonies
Colors that pair well with #51818A based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #51818A, useful for hover states, backgrounds, and text variants.