Hex #555995 or rgb(85,89,149) in RGB space is the tint of violet. It has hue angle of 236.25 degrees, value = 58 and saturation = 43. #555995 can be obtained by mixing 4 colors: 3 drops of red, 1 drop of magenta, 5 drops of blue, 3 drops of cyan.
Nearest safe hex - #666699. Below you can see the block with #555995 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #555995 to the mixer and play with it.