Hex #398985 or rgb(57,137,133) in RGB space is the tint of cyan. It has hue angle of 177.00 degrees, value = 54 and saturation = 58. #398985 can be obtained by mixing 4 colors: 2 drops of yellow, 4 drops of blue, 2 drops of cyan, 1 drop of black.
Nearest safe hex - #339999. Below you can see the block with #398985 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #398985 to the mixer and play with it.