Hex #243b49 or rgb(36,59,73) in RGB space is the tint of blue. It has hue angle of 202.70 degrees, value = 29 and saturation = 51. #243b49 can be obtained by mixing 4 colors: 2 drops of magenta, 4 drops of blue, 3 drops of green, 5 drops of black.
Nearest safe hex - #333333. Below you can see the block with #243b49 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #243b49 to the mixer and play with it.