Hex #7487a3 or rgb(116,135,163) in RGB space is the tint of blue. It has hue angle of 215.74 degrees, value = 64 and saturation = 29. #7487a3 can be obtained by mixing 3 colors: 3 drops of blue, 5 drops of white, 3 drops of black.
Nearest safe hex - #669999. Below you can see the block with #7487a3 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #7487a3 to the mixer and play with it.