Hex #002f33 or rgb(0,47,51) in RGB space is the tint of cyan. It has hue angle of 184.71 degrees, value = 20 and saturation = 100. #002f33 can be obtained by mixing 2 colors: 1 drop of cyan, 4 drops of black.
Nearest safe hex - #003333. Below you can see the block with #002f33 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #002f33 to the mixer and play with it.