Hex #789daa or rgb(120,157,170) in RGB space is the tint of bluish cian. It has hue angle of 195.60 degrees, value = 67 and saturation = 29. #789daa can be obtained by mixing 4 colors: 5 drops of magenta, 5 drops of cyan, 4 drops of green, 3 drops of white.
Nearest safe hex - #669999. Below you can see the block with #789daa color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #789daa to the mixer and play with it.