Hex #744f6d or rgb(116,79,109) in RGB space is the tint of crimson. It has hue angle of 311.35 degrees, value = 45 and saturation = 32. #744f6d can be obtained by mixing 3 colors: 5 drops of magenta, 2 drops of blue, 4 drops of green.
Nearest safe hex - #666666. Below you can see the block with #744f6d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #744f6d to the mixer and play with it.