Hex #607780 or rgb(96,119,128) in RGB space is the tint of bluish cian. It has hue angle of 196.88 degrees, value = 50 and saturation = 25. #607780 can be obtained by mixing 3 colors: 3 drops of red, 4 drops of cyan, 1 drop of black.
Nearest safe hex - #666699. Below you can see the block with #607780 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #607780 to the mixer and play with it.