Hex #003e42 or rgb(0,62,66) in RGB space is the tint of cyan. It has hue angle of 183.64 degrees, value = 26 and saturation = 100. #003e42 can be obtained by mixing 4 colors: 2 drops of blue, 1 drop of cyan, 1 drop of green, 5 drops of black.
Nearest safe hex - #003333. Below you can see the block with #003e42 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #003e42 to the mixer and play with it.