Hex #4e687d or rgb(78,104,125) in RGB space is the tint of blue. It has hue angle of 206.81 degrees, value = 49 and saturation = 38. #4e687d can be obtained by mixing 4 colors: 1 drop of yellow, 5 drops of blue, 3 drops of white, 4 drops of black.
Nearest safe hex - #666666. Below you can see the block with #4e687d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #4e687d to the mixer and play with it.