Hex #55282b or rgb(85,40,43) in RGB space is the tint of red. It has hue angle of 356.00 degrees, value = 33 and saturation = 53. #55282b can be obtained by mixing 3 colors: 2 drops of red, 1 drop of cyan, 3 drops of black.
Nearest safe hex - #663333. Below you can see the block with #55282b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55282b to the mixer and play with it.