Hex #1c767b or rgb(28,118,123) in RGB space is the tint of cyan. It has hue angle of 183.16 degrees, value = 48 and saturation = 77. #1c767b can be obtained by mixing 4 colors: 1 drop of magenta, 4 drops of blue, 1 drop of cyan, 3 drops of green.
Nearest safe hex - #336666. Below you can see the block with #1c767b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #1c767b to the mixer and play with it.