Dark is the stain that we cannot hide.Although I seriously doubt that the hymn's creators Julia Johnston, a Peoria, Ill. Presbyterian Sunday school teacher and Daniel Towner, the great Methodist hymnodist from Rome, Pa. (near Binghamton, NY) were University of Alabama football fans, I wouldn't be surprised if the hymn is often sung in Alabama churches.
What can avail to wash it away?
Look! There is flowing a crimson tide,
Brighter than snow you may be today.
Onward Christian Soldiers, marching as to War [Eagle!]
With the cross of Jesus going on before! ...