Hex #144042 or rgb(20,64,66) in RGB space is the tint of cyan. It has hue angle of 182.61 degrees, value = 26 and saturation = 70. #144042 can be obtained by mixing 4 colors: 1 drop of magenta, 4 drops of blue, 3 drops of green, 5 drops of black.
Nearest safe hex - #003333. Below you can see the block with #144042 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #144042 to the mixer and play with it.