Hex #305c9b or rgb(48,92,155) in RGB space is the tint of blue. It has hue angle of 215.33 degrees, value = 61 and saturation = 69. #305c9b can be obtained by mixing 4 colors: 3 drops of magenta, 4 drops of blue, 5 drops of cyan, 4 drops of black.
Nearest safe hex - #336699. Below you can see the block with #305c9b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #305c9b to the mixer and play with it.