Hex #787a9b or rgb(120,122,155) in RGB space is the tint of violet. It has hue angle of 236.57 degrees, value = 61 and saturation = 23. #787a9b can be obtained by mixing 4 colors: 5 drops of red, 5 drops of blue, 4 drops of cyan, 3 drops of white.
Nearest safe hex - #666699. Below you can see the block with #787a9b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #787a9b to the mixer and play with it.