Hex #144b55 or rgb(20,75,85) in RGB space is the tint of bluish cian. It has hue angle of 189.23 degrees, value = 33 and saturation = 76. #144b55 can be obtained by mixing 4 colors: 5 drops of blue, 2 drops of green, 1 drop of white, 5 drops of black.
Nearest safe hex - #003366. Below you can see the block with #144b55 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #144b55 to the mixer and play with it.