Hex #005a47 or rgb(0,90,71) in RGB space is the tint of greenish cian. It has hue angle of 167.33 degrees, value = 35 and saturation = 100. #005a47 can be obtained by mixing 3 colors: 5 drops of blue, 4 drops of green, 3 drops of black.
Nearest safe hex - #006633. Below you can see the block with #005a47 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #005a47 to the mixer and play with it.