Hex #778da5 or rgb(119,141,165) in RGB space is the tint of blue. It has hue angle of 211.30 degrees, value = 65 and saturation = 28. #778da5 can be obtained by mixing 4 colors: 3 drops of yellow, 4 drops of magenta, 3 drops of blue, 5 drops of cyan.
Nearest safe hex - #669999. Below you can see the block with #778da5 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #778da5 to the mixer and play with it.