Hex #004e61 or rgb(0,78,97) in RGB space is the tint of bluish cian. It has hue angle of 191.75 degrees, value = 38 and saturation = 100. #004e61 can be obtained by mixing 3 colors: 1 drop of blue, 2 drops of cyan, 4 drops of black.
Nearest safe hex - #006666. Below you can see the block with #004e61 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #004e61 to the mixer and play with it.