Hex #39988e or rgb(57,152,142) in RGB space is the tint of cyan. It has hue angle of 173.68 degrees, value = 60 and saturation = 63. #39988e can be obtained by mixing 4 colors: 2 drops of red, 5 drops of cyan, 1 drop of green, 1 drop of black.
Nearest safe hex - #339999. Below you can see the block with #39988e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #39988e to the mixer and play with it.