Hex #40706b or rgb(64,112,107) in RGB space is the tint of cyan. It has hue angle of 173.75 degrees, value = 44 and saturation = 43. #40706b can be obtained by mixing 4 colors: 3 drops of blue, 2 drops of green, 3 drops of white, 4 drops of black.
Nearest safe hex - #336666. Below you can see the block with #40706b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #40706b to the mixer and play with it.