Hex #447b9f or rgb(68,123,159) in RGB space is the tint of blue. It has hue angle of 203.74 degrees, value = 62 and saturation = 57. #447b9f can be obtained by mixing 4 colors: 5 drops of blue, 2 drops of cyan, 4 drops of white, 4 drops of black.
Nearest safe hex - #336699. Below you can see the block with #447b9f color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #447b9f to the mixer and play with it.