Hex #748d9b or rgb(116,141,155) in RGB space is the tint of bluish cian. It has hue angle of 201.54 degrees, value = 61 and saturation = 25. #748d9b can be obtained by mixing 4 colors: 1 drop of yellow, 4 drops of magenta, 4 drops of cyan, 2 drops of green.
Nearest safe hex - #669999. Below you can see the block with #748d9b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #748d9b to the mixer and play with it.