Hex #396968 or rgb(57,105,104) in RGB space is the tint of cyan. It has hue angle of 178.75 degrees, value = 41 and saturation = 46. #396968 can be obtained by mixing 4 colors: 1 drop of yellow, 1 drop of magenta, 3 drops of cyan, 4 drops of black.
Nearest safe hex - #336666. Below you can see the block with #396968 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #396968 to the mixer and play with it.