Hex #768e9d or rgb(118,142,157) in RGB space is the tint of blue. It has hue angle of 203.08 degrees, value = 62 and saturation = 25. #768e9d can be obtained by mixing 4 colors: 2 drops of magenta, 4 drops of blue, 3 drops of green, 4 drops of white.
Nearest safe hex - #669999. Below you can see the block with #768e9d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #768e9d to the mixer and play with it.