Hex #552b2e or rgb(85,43,46) in RGB space is the tint of red. It has hue angle of 355.71 degrees, value = 33 and saturation = 49. #552b2e can be obtained by mixing 4 colors: 5 drops of red, 4 drops of blue, 2 drops of green, 4 drops of black.
Nearest safe hex - #663333. Below you can see the block with #552b2e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #552b2e to the mixer and play with it.