Hex #778bb0 or rgb(119,139,176) in RGB space is the tint of blue violet. It has hue angle of 218.95 degrees, value = 69 and saturation = 32. #778bb0 can be obtained by mixing 4 colors: 3 drops of red, 5 drops of blue, 3 drops of cyan, 4 drops of white.
Nearest safe hex - #669999. Below you can see the block with #778bb0 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #778bb0 to the mixer and play with it.