Hex #335a78 or rgb(51,90,120) in RGB space is the tint of blue. It has hue angle of 206.09 degrees, value = 47 and saturation = 58. #335a78 can be obtained by mixing 3 colors: 2 drops of magenta, 5 drops of blue, 3 drops of green.
Nearest safe hex - #336666. Below you can see the block with #335a78 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #335a78 to the mixer and play with it.