Hex #336589 or rgb(51,101,137) in RGB space is the tint of blue. It has hue angle of 205.12 degrees, value = 54 and saturation = 63. #336589 can be obtained by mixing 4 colors: 2 drops of red, 5 drops of blue, 2 drops of cyan, 1 drop of green.
Nearest safe hex - #336699. Below you can see the block with #336589 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #336589 to the mixer and play with it.