Hex #6693b0 or rgb(102,147,176) in RGB space is the tint of blue. It has hue angle of 203.51 degrees, value = 69 and saturation = 42. #6693b0 can be obtained by mixing 4 colors: 2 drops of magenta, 5 drops of cyan, 4 drops of white, 4 drops of black.
Nearest safe hex - #669999. Below you can see the block with #6693b0 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #6693b0 to the mixer and play with it.