Hex #304356 or rgb(48,67,86) in RGB space is the tint of blue. It has hue angle of 210.00 degrees, value = 34 and saturation = 44. #304356 can be obtained by mixing 4 colors: 3 drops of magenta, 5 drops of blue, 4 drops of green, 4 drops of black.
Nearest safe hex - #333366. Below you can see the block with #304356 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #304356 to the mixer and play with it.