Hex #1c3d4c or rgb(28,61,76) in RGB space is the tint of bluish cian. It has hue angle of 198.75 degrees, value = 30 and saturation = 63. #1c3d4c can be obtained by mixing 4 colors: 1 drop of red, 1 drop of blue, 2 drops of cyan, 5 drops of black.
Nearest safe hex - #333333. Below you can see the block with #1c3d4c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #1c3d4c to the mixer and play with it.