Hex #005974 or rgb(0,89,116) in RGB space is the tint of bluish cian. It has hue angle of 193.97 degrees, value = 45 and saturation = 100. #005974 can be obtained by mixing 4 colors: 5 drops of blue, 3 drops of cyan, 1 drop of green, 5 drops of black.
Nearest safe hex - #006666. Below you can see the block with #005974 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #005974 to the mixer and play with it.