Hex #004655 or rgb(0,70,85) in RGB space is the tint of bluish cian. It has hue angle of 190.59 degrees, value = 33 and saturation = 100. #004655 can be obtained by mixing 4 colors: 3 drops of blue, 1 drop of cyan, 1 drop of green, 4 drops of black.
Nearest safe hex - #003366. Below you can see the block with #004655 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #004655 to the mixer and play with it.