Hex #003c47 or rgb(0,60,71) in RGB space is the tint of bluish cian. It has hue angle of 189.30 degrees, value = 28 and saturation = 100. #003c47 can be obtained by mixing 3 colors: 5 drops of blue, 2 drops of green, 5 drops of black.
Nearest safe hex - #003333. Below you can see the block with #003c47 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #003c47 to the mixer and play with it.