Hex #aa155d or rgb(170,21,93) in RGB space is the tint of scarlet. It has hue angle of 331.01 degrees, value = 67 and saturation = 88. #aa155d can be obtained by mixing 4 colors: 2 drops of red, 5 drops of magenta, 1 drop of white, 4 drops of black.
Nearest safe hex - #990066. Below you can see the block with #aa155d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #aa155d to the mixer and play with it.