Hex #800756 or rgb(128,7,86) in RGB space is the tint of crimson. It has hue angle of 320.83 degrees, value = 50 and saturation = 95. #800756 can be obtained by mixing 4 colors: 1 drop of red, 4 drops of magenta, 1 drop of blue, 4 drops of black.
Nearest safe hex - #990066. Below you can see the block with #800756 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #800756 to the mixer and play with it.