Hex #748eb2 or rgb(116,142,178) in RGB space is the tint of blue. It has hue angle of 214.84 degrees, value = 70 and saturation = 35. #748eb2 can be obtained by mixing 3 colors: 4 drops of blue, 5 drops of white, 2 drops of black.
Nearest safe hex - #669999. Below you can see the block with #748eb2 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #748eb2 to the mixer and play with it.