Hex #407880 or rgb(64,120,128) in RGB space is the tint of bluish cian. It has hue angle of 187.50 degrees, value = 50 and saturation = 50. #407880 can be obtained by mixing 4 colors: 2 drops of red, 5 drops of cyan, 1 drop of white, 4 drops of black.
Nearest safe hex - #336699. Below you can see the block with #407880 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #407880 to the mixer and play with it.