Hex #7678a4 or rgb(118,120,164) in RGB space is the tint of violet. It has hue angle of 237.39 degrees, value = 64 and saturation = 28. #7678a4 can be obtained by mixing 4 colors: 1 drop of magenta, 4 drops of blue, 5 drops of white, 3 drops of black.
Nearest safe hex - #666699. Below you can see the block with #7678a4 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #7678a4 to the mixer and play with it.