Hex #334d66 or rgb(51,77,102) in RGB space is the tint of blue. It has hue angle of 209.41 degrees, value = 40 and saturation = 50. #334d66 can be obtained by mixing 4 colors: 3 drops of red, 3 drops of blue, 4 drops of cyan, 5 drops of black.
Nearest safe hex - #336666. Below you can see the block with #334d66 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #334d66 to the mixer and play with it.