Hex #39a0aa or rgb(57,160,170) in RGB space is the tint of cyan. It has hue angle of 185.31 degrees, value = 67 and saturation = 66. #39a0aa can be obtained by mixing 4 colors: 1 drop of red, 5 drops of cyan, 1 drop of white, 2 drops of black.
Nearest safe hex - #339999. Below you can see the block with #39a0aa color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #39a0aa to the mixer and play with it.