Hex #554d4c or rgb(85,77,76) in RGB space is the tint of red. It has hue angle of 6.67 degrees, value = 33 and saturation = 11. #554d4c can be obtained by mixing 4 colors: 1 drop of magenta, 1 drop of green, 2 drops of white, 5 drops of black.
Nearest safe hex - #666633. Below you can see the block with #554d4c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #554d4c to the mixer and play with it.