Hex #aa3d15 or rgb(170,61,21) in RGB space is the tint of orange red. It has hue angle of 16.11 degrees, value = 67 and saturation = 88. #aa3d15 can be obtained by mixing 4 colors: 2 drops of yellow, 5 drops of red, 1 drop of white, 4 drops of black.
Nearest safe hex - #993300. Below you can see the block with #aa3d15 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #aa3d15 to the mixer and play with it.