Hex #275f5c or rgb(39,95,92) in RGB space is the tint of cyan. It has hue angle of 176.79 degrees, value = 37 and saturation = 59. #275f5c can be obtained by mixing 4 colors: 2 drops of yellow, 4 drops of blue, 2 drops of cyan, 5 drops of black.
Nearest safe hex - #336666. Below you can see the block with #275f5c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #275f5c to the mixer and play with it.