Hex #3b5369 or rgb(59,83,105) in RGB space is the tint of blue. It has hue angle of 208.70 degrees, value = 41 and saturation = 44. #3b5369 can be obtained by mixing 4 colors: 3 drops of magenta, 5 drops of blue, 4 drops of green, 1 drop of black.
Nearest safe hex - #336666. Below you can see the block with #3b5369 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #3b5369 to the mixer and play with it.