Hex #004449 or rgb(0,68,73) in RGB space is the tint of cyan. It has hue angle of 184.11 degrees, value = 29 and saturation = 100. #004449 can be obtained by mixing 2 colors: 2 drops of cyan, 5 drops of black.
Nearest safe hex - #003333. Below you can see the block with #004449 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #004449 to the mixer and play with it.