Hex #aa81d5 or rgb(170,129,213) in RGB space is the tint of purple. It has hue angle of 269.29 degrees, value = 84 and saturation = 39. #aa81d5 can be obtained by mixing 4 colors: 5 drops of magenta, 1 drop of blue, 3 drops of cyan, 3 drops of white.
Nearest safe hex - #9999cc. Below you can see the block with #aa81d5 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #aa81d5 to the mixer and play with it.