Hex #1c698e or rgb(28,105,142) in RGB space is the tint of bluish cian. It has hue angle of 199.47 degrees, value = 56 and saturation = 80. #1c698e can be obtained by mixing 4 colors: 3 drops of blue, 2 drops of cyan, 1 drop of white, 3 drops of black.
Nearest safe hex - #336699. Below you can see the block with #1c698e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #1c698e to the mixer and play with it.