Hex #39acb4 or rgb(57,172,180) in RGB space is the tint of cyan. It has hue angle of 183.90 degrees, value = 71 and saturation = 68. #39acb4 can be obtained by mixing 3 colors: 2 drops of magenta, 5 drops of cyan, 2 drops of green.
Nearest safe hex - #3399cc. Below you can see the block with #39acb4 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #39acb4 to the mixer and play with it.