Hex #004b47 or rgb(0,75,71) in RGB space is the tint of cyan. It has hue angle of 176.80 degrees, value = 29 and saturation = 100. #004b47 can be obtained by mixing 3 colors: 5 drops of blue, 3 drops of green, 4 drops of black.
Nearest safe hex - #003333. Below you can see the block with #004b47 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #004b47 to the mixer and play with it.