Hex #745b5d or rgb(116,91,93) in RGB space is the tint of red. It has hue angle of 355.20 degrees, value = 45 and saturation = 22. #745b5d can be obtained by mixing 4 colors: 2 drops of red, 1 drop of cyan, 3 drops of white, 5 drops of black.
Nearest safe hex - #666666. Below you can see the block with #745b5d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #745b5d to the mixer and play with it.