Hex #711c1c or rgb(113,28,28) in RGB space is the tint of red. It has hue angle of 0.00 degrees, value = 44 and saturation = 75. #711c1c can be obtained by mixing 3 colors: 3 drops of red, 1 drop of white, 5 drops of black.
Nearest safe hex - #663333. Below you can see the block with #711c1c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #711c1c to the mixer and play with it.