Hex #144d6f or rgb(20,77,111) in RGB space is the tint of bluish cian. It has hue angle of 202.42 degrees, value = 44 and saturation = 82. #144d6f can be obtained by mixing 4 colors: 1 drop of red, 4 drops of blue, 3 drops of cyan, 5 drops of black.
Nearest safe hex - #006666. Below you can see the block with #144d6f color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #144d6f to the mixer and play with it.