Hex #aa51b4 or rgb(170,81,180) in RGB space is the tint of magenta. It has hue angle of 293.94 degrees, value = 71 and saturation = 55. #aa51b4 can be obtained by mixing 4 colors: 5 drops of magenta, 2 drops of cyan, 1 drop of white, 1 drop of black.
Nearest safe hex - #9966cc. Below you can see the block with #aa51b4 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #aa51b4 to the mixer and play with it.