Hex #1c3c68 or rgb(28,60,104) in RGB space is the tint of blue. It has hue angle of 214.74 degrees, value = 41 and saturation = 73. #1c3c68 can be obtained by mixing 3 colors: 4 drops of blue, 1 drop of white, 4 drops of black.
Nearest safe hex - #333366. Below you can see the block with #1c3c68 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #1c3c68 to the mixer and play with it.