Hex #004e64 or rgb(0,78,100) in RGB space is the tint of bluish cian. It has hue angle of 193.20 degrees, value = 39 and saturation = 100. #004e64 can be obtained by mixing 4 colors: 4 drops of blue, 2 drops of cyan, 1 drop of green, 5 drops of black.
Nearest safe hex - #006666. Below you can see the block with #004e64 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #004e64 to the mixer and play with it.