Hex #745a6d or rgb(116,90,109) in RGB space is the tint of crimson. It has hue angle of 316.15 degrees, value = 45 and saturation = 22. #745a6d can be obtained by mixing 4 colors: 1 drop of yellow, 4 drops of magenta, 3 drops of blue, 3 drops of green.
Nearest safe hex - #666666. Below you can see the block with #745a6d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #745a6d to the mixer and play with it.