Hex #5d1d1f or rgb(93,29,31) in RGB space is the tint of red. It has hue angle of 358.13 degrees, value = 36 and saturation = 69. #5d1d1f can be obtained by mixing 4 colors: 4 drops of red, 2 drops of blue, 1 drop of green, 4 drops of black.
Nearest safe hex - #663333. Below you can see the block with #5d1d1f color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5d1d1f to the mixer and play with it.