Hex #768a97 or rgb(118,138,151) in RGB space is the tint of blue. It has hue angle of 203.64 degrees, value = 59 and saturation = 22. #768a97 can be obtained by mixing 4 colors: 1 drop of yellow, 4 drops of blue, 5 drops of white, 3 drops of black.
Nearest safe hex - #669999. Below you can see the block with #768a97 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #768a97 to the mixer and play with it.