Hex #005247 or rgb(0,82,71) in RGB space is the tint of greenish cian. It has hue angle of 171.95 degrees, value = 32 and saturation = 100. #005247 can be obtained by mixing 4 colors: 1 drop of blue, 1 drop of cyan, 1 drop of green, 3 drops of black.
Nearest safe hex - #006633. Below you can see the block with #005247 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #005247 to the mixer and play with it.