Hex #768796 or rgb(118,135,150) in RGB space is the tint of blue. It has hue angle of 208.13 degrees, value = 59 and saturation = 21. #768796 can be obtained by mixing 4 colors: 1 drop of magenta, 2 drops of cyan, 5 drops of white, 5 drops of black.
Nearest safe hex - #669999. Below you can see the block with #768796 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #768796 to the mixer and play with it.