Hex #603720 or rgb(96,55,32) in RGB space is the tint of orange red. It has hue angle of 21.56 degrees, value = 38 and saturation = 67. #603720 can be obtained by mixing 4 colors: 2 drops of red, 1 drop of green, 1 drop of white, 4 drops of black.
Nearest safe hex - #663333. Below you can see the block with #603720 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #603720 to the mixer and play with it.