Hex #004e72 or rgb(0,78,114) in RGB space is the tint of bluish cian. It has hue angle of 198.95 degrees, value = 45 and saturation = 100. #004e72 can be obtained by mixing 3 colors: 4 drops of blue, 1 drop of green, 1 drop of black.
Nearest safe hex - #006666. Below you can see the block with #004e72 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #004e72 to the mixer and play with it.