Hex #3b5b6f or rgb(59,91,111) in RGB space is the tint of blue. It has hue angle of 203.08 degrees, value = 44 and saturation = 47. #3b5b6f can be obtained by mixing 4 colors: 2 drops of red, 1 drop of magenta, 5 drops of cyan, 5 drops of black.
Nearest safe hex - #336666. Below you can see the block with #3b5b6f color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #3b5b6f to the mixer and play with it.