Hex #715555 or rgb(113,85,85) in RGB space is the tint of red. It has hue angle of 0.00 degrees, value = 44 and saturation = 25. #715555 can be obtained by mixing 3 colors: 1 drop of red, 3 drops of white, 5 drops of black.
Nearest safe hex - #666666. Below you can see the block with #715555 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #715555 to the mixer and play with it.