Hex #a4393d or rgb(164,57,61) in RGB space is the tint of red. It has hue angle of 357.76 degrees, value = 64 and saturation = 65. #a4393d can be obtained by mixing 4 colors: 5 drops of red, 4 drops of magenta, 1 drop of blue, 4 drops of green.
Nearest safe hex - #993333. Below you can see the block with #a4393d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #a4393d to the mixer and play with it.