Hex #406f79 or rgb(64,111,121) in RGB space is the tint of bluish cian. It has hue angle of 190.53 degrees, value = 47 and saturation = 47. #406f79 can be obtained by mixing 4 colors: 2 drops of magenta, 5 drops of blue, 4 drops of green, 1 drop of white.
Nearest safe hex - #336666. Below you can see the block with #406f79 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #406f79 to the mixer and play with it.