Hex #40708a or rgb(64,112,138) in RGB space is the tint of bluish cian. It has hue angle of 201.08 degrees, value = 54 and saturation = 54. #40708a can be obtained by mixing 4 colors: 2 drops of magenta, 3 drops of cyan, 1 drop of green, 2 drops of black.
Nearest safe hex - #336699. Below you can see the block with #40708a color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #40708a to the mixer and play with it.