Hex #3b657d or rgb(59,101,125) in RGB space is the tint of bluish cian. It has hue angle of 201.82 degrees, value = 49 and saturation = 53. #3b657d can be obtained by mixing 4 colors: 3 drops of magenta, 5 drops of blue, 1 drop of cyan, 4 drops of green.
Nearest safe hex - #336666. Below you can see the block with #3b657d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #3b657d to the mixer and play with it.