Hex #713939 or rgb(113,57,57) in RGB space is the tint of red. It has hue angle of 0.00 degrees, value = 44 and saturation = 50. #713939 can be obtained by mixing 3 colors: 2 drops of red, 2 drops of white, 5 drops of black.
Nearest safe hex - #663333. Below you can see the block with #713939 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #713939 to the mixer and play with it.