Hex #554547 or rgb(85,69,71) in RGB space is the tint of red. It has hue angle of 352.50 degrees, value = 33 and saturation = 19. #554547 can be obtained by mixing 4 colors: 2 drops of yellow, 2 drops of red, 5 drops of blue, 3 drops of black.
Nearest safe hex - #663333. Below you can see the block with #554547 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #554547 to the mixer and play with it.