Hex #745d6c or rgb(116,93,108) in RGB space is the tint of crimson. It has hue angle of 320.87 degrees, value = 45 and saturation = 20. #745d6c can be obtained by mixing 4 colors: 5 drops of red, 1 drop of blue, 4 drops of cyan, 1 drop of black.
Nearest safe hex - #666666. Below you can see the block with #745d6c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #745d6c to the mixer and play with it.