Hex #aa57ab or rgb(170,87,171) in RGB space is the tint of magenta. It has hue angle of 299.29 degrees, value = 67 and saturation = 49. #aa57ab can be obtained by mixing 4 colors: 1 drop of yellow, 5 drops of magenta, 1 drop of blue, 2 drops of cyan.
Nearest safe hex - #996699. Below you can see the block with #aa57ab color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #aa57ab to the mixer and play with it.