Hex #394c4c or rgb(57,76,76) in RGB space is the tint of cyan. It has hue angle of 180.00 degrees, value = 30 and saturation = 25. #394c4c can be obtained by mixing 4 colors: 2 drops of magenta, 2 drops of blue, 3 drops of green, 2 drops of black.
Nearest safe hex - #333333. Below you can see the block with #394c4c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #394c4c to the mixer and play with it.