Hex #1c868e or rgb(28,134,142) in RGB space is the tint of cyan. It has hue angle of 184.21 degrees, value = 56 and saturation = 80. #1c868e can be obtained by mixing 3 colors: 4 drops of cyan, 1 drop of white, 4 drops of black.
Nearest safe hex - #339999. Below you can see the block with #1c868e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #1c868e to the mixer and play with it.