Hex #30868b or rgb(48,134,139) in RGB space is the tint of cyan. It has hue angle of 183.30 degrees, value = 55 and saturation = 65. #30868b can be obtained by mixing 4 colors: 3 drops of magenta, 4 drops of blue, 4 drops of cyan, 5 drops of green.
Nearest safe hex - #339999. Below you can see the block with #30868b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #30868b to the mixer and play with it.