Hex #39567b or rgb(57,86,123) in RGB space is the tint of blue. It has hue angle of 213.64 degrees, value = 48 and saturation = 54. #39567b can be obtained by mixing 4 colors: 2 drops of red, 5 drops of blue, 1 drop of cyan, 1 drop of green.
Nearest safe hex - #336666. Below you can see the block with #39567b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #39567b to the mixer and play with it.