Hex #777399 or rgb(119,115,153) in RGB space is the tint of violet. It has hue angle of 246.32 degrees, value = 60 and saturation = 25. #777399 can be obtained by mixing 4 colors: 3 drops of magenta, 3 drops of cyan, 4 drops of white, 5 drops of black.
Nearest safe hex - #666699. Below you can see the block with #777399 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #777399 to the mixer and play with it.