Hex #55559c or rgb(85,85,156) in RGB space is the tint of violet. It has hue angle of 240.00 degrees, value = 61 and saturation = 46. #55559c can be obtained by mixing 4 colors: 4 drops of magenta, 1 drop of blue, 4 drops of cyan, 3 drops of black.
Nearest safe hex - #666699. Below you can see the block with #55559c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55559c to the mixer and play with it.