Hex #aa001d or rgb(170,0,29) in RGB space is the tint of scarlet red. It has hue angle of 349.76 degrees, value = 67 and saturation = 100. #aa001d can be obtained by mixing 3 colors: 3 drops of red, 1 drop of magenta, 2 drops of black.
Nearest safe hex - #990033. Below you can see the block with #aa001d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #aa001d to the mixer and play with it.