Hex #aa90aa or rgb(170,144,170) in RGB space is the tint of magenta. It has hue angle of 300.00 degrees, value = 67 and saturation = 15. #aa90aa can be obtained by mixing 4 colors: 3 drops of red, 3 drops of blue, 1 drop of cyan, 5 drops of white.
Nearest safe hex - #999999. Below you can see the block with #aa90aa color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #aa90aa to the mixer and play with it.