Color #405f55 name: very dark desaturated greenish cian
Hex #405f55 or rgb(64,95,85) in RGB space is the tint of greenish cian. It has hue angle of 160.65 degrees, value = 37 and saturation = 33. #405f55 can be obtained by mixing 4 colors: 1 drop of blue, 1 drop of green, 2 drops of white, 4 drops of black.
Nearest safe hex - #336666. Below you can see the block with #405f55 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #405f55 to the mixer and play with it.