Hex #55526b or rgb(85,82,107) in RGB space is the tint of violet. It has hue angle of 247.20 degrees, value = 42 and saturation = 23. #55526b can be obtained by mixing 4 colors: 1 drop of red, 3 drops of blue, 3 drops of white, 5 drops of black.
Nearest safe hex - #666666. Below you can see the block with #55526b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55526b to the mixer and play with it.