Hex #748c9b or rgb(116,140,155) in RGB space is the tint of blue. It has hue angle of 203.08 degrees, value = 61 and saturation = 25. #748c9b can be obtained by mixing 4 colors: 1 drop of yellow, 4 drops of blue, 4 drops of white, 2 drops of black.
Nearest safe hex - #669999. Below you can see the block with #748c9b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #748c9b to the mixer and play with it.