Hex #555ab9 or rgb(85,90,185) in RGB space is the tint of violet. It has hue angle of 237.00 degrees, value = 73 and saturation = 54. #555ab9 can be obtained by mixing 3 colors: 1 drop of magenta, 4 drops of blue, 1 drop of white.
Nearest safe hex - #6666cc. Below you can see the block with #555ab9 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #555ab9 to the mixer and play with it.