Hex #1a3667 or rgb(26,54,103) in RGB space is the tint of blue violet. It has hue angle of 218.18 degrees, value = 40 and saturation = 75. #1a3667 can be obtained by mixing 4 colors: 1 drop of magenta, 5 drops of blue, 1 drop of green, 3 drops of black.
Nearest safe hex - #333366. Below you can see the block with #1a3667 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #1a3667 to the mixer and play with it.