Hex #aa1872 or rgb(170,24,114) in RGB space is the tint of scarlet. It has hue angle of 323.01 degrees, value = 67 and saturation = 86. #aa1872 can be obtained by mixing 3 colors: 1 drop of red, 1 drop of magenta, 1 drop of blue.
Nearest safe hex - #990066. Below you can see the block with #aa1872 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #aa1872 to the mixer and play with it.