Hex #00445f or rgb(0,68,95) in RGB space is the tint of bluish cian. It has hue angle of 197.05 degrees, value = 37 and saturation = 100. #00445f can be obtained by mixing 3 colors: 2 drops of blue, 2 drops of cyan, 5 drops of black.
Nearest safe hex - #003366. Below you can see the block with #00445f color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #00445f to the mixer and play with it.