Hex #b13735 or rgb(177,55,53) in RGB space is the tint of red. It has hue angle of 0.97 degrees, value = 69 and saturation = 70. #b13735 can be obtained by mixing 4 colors: 3 drops of yellow, 2 drops of red, 4 drops of magenta, 4 drops of black.
Nearest safe hex - #993333. Below you can see the block with #b13735 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #b13735 to the mixer and play with it.