Hex #80819c or rgb(128,129,156) in RGB space is the tint of violet. It has hue angle of 237.86 degrees, value = 61 and saturation = 18. #80819c can be obtained by mixing 4 colors: 1 drop of yellow, 5 drops of magenta, 4 drops of cyan, 2 drops of green.
Nearest safe hex - #999999. Below you can see the block with #80819c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #80819c to the mixer and play with it.