Hex #144542 or rgb(20,69,66) in RGB space is the tint of cyan. It has hue angle of 176.33 degrees, value = 27 and saturation = 71. #144542 can be obtained by mixing 4 colors: 1 drop of red, 5 drops of blue, 3 drops of green, 4 drops of black.
Nearest safe hex - #003333. Below you can see the block with #144542 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #144542 to the mixer and play with it.