Hex #336989 or rgb(51,105,137) in RGB space is the tint of bluish cian. It has hue angle of 202.33 degrees, value = 54 and saturation = 63. #336989 can be obtained by mixing 4 colors: 5 drops of blue, 1 drop of green, 2 drops of white, 2 drops of black.
Nearest safe hex - #336699. Below you can see the block with #336989 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #336989 to the mixer and play with it.