Hex #004566 or rgb(0,69,102) in RGB space is the tint of bluish cian. It has hue angle of 199.41 degrees, value = 40 and saturation = 100. #004566 can be obtained by mixing 3 colors: 3 drops of blue, 2 drops of cyan, 5 drops of black.
Nearest safe hex - #003366. Below you can see the block with #004566 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #004566 to the mixer and play with it.