Hex #335f88 or rgb(51,95,136) in RGB space is the tint of blue. It has hue angle of 208.94 degrees, value = 53 and saturation = 63. #335f88 can be obtained by mixing 3 colors: 1 drop of magenta, 2 drops of cyan, 2 drops of black.
Nearest safe hex - #336699. Below you can see the block with #335f88 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #335f88 to the mixer and play with it.