Hex #496b6d or rgb(73,107,109) in RGB space is the tint of cyan. It has hue angle of 183.33 degrees, value = 43 and saturation = 33. #496b6d can be obtained by mixing 3 colors: 1 drop of cyan, 2 drops of white, 4 drops of black.
Nearest safe hex - #336666. Below you can see the block with #496b6d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #496b6d to the mixer and play with it.