I personally do not know one way or the other about Darwin's views on race. Many say he was opposed to slavery and was concerned about the poor, which I do not dispute, and which I believe to be a Christian attribute.
But there is little doubt that white supremacy was commonplace in his day and age. The "Descent of Man and Selection in Relation to Sex", which focused on our species, should have cleared up any misconceptions about Darwin's views on race; or at least those which he wished to publicize at the time.
How do you interpret these passages?
"The sense of smell is of the highest importance to the greater number of mammals—to some, as the ruminants, in warning them of danger; to others, as the carnivora, in finding their prey; to others, again, as the wild boar, for both purposes combined. But the sense of smell is of extremely slight service, if any, even to the dark coloured races of men, in whom it is much more highly developed than in the white and civilised races." [Charles Darwin, "The Descent of Man and Selection in Relation to Sex." John Murray, 2nd Ed, 1888, Chap I, pp.17-18]
"At some future period, not very distant as measured by centuries, the civilised races of man will almost certainly exterminate, and replace, the savage races throughout the world. At the same time the anthropomorphous apes, as Professor Schaaffhausen has remarked, will no doubt be exterminated. The break between man and his nearest allies will then be wider, for it will intervene between man in a more civilised state, as we may hope, even than the Caucasian, and some ape as low as a baboon, instead of as now between the negro or Australian and the gorilla." [Charles Darwin, Affinities and Genealogies, "The Descent of Man and Selection in Relation to Sex." John Murray, 2nd Ed, 1888, Chap VI, p.156]
"With savages, the weak in body or mind are soon eliminated; and those that survive commonly exhibit a vigorous state of health. We civilised men, on the other hand, do our utmost to check the process of elimination; we build asylums for the imbecile, the maimed, and the sick; we institute poor-laws; and our medical men exert their utmost skill to save the life of every one to the last moment. There is reason to believe that vaccination has preserved thousands, who from a weak constitution would formerly have succumbed to small-pox. Thus the weak members of civilised societies propagate their kind. No one who has attended to the breeding of domestic animals will doubt that this must be highly injurious to the race of man." [Charles Darwin, Civilised Nations, "The Descent of Man and Selection in Relation to Sex." 1981, Chap V, p.168]
One thing I am certain of is the removal of Christian doctrine from the halls of our schools -- at the behest of atheists and evolutionists, as well as the voluntary removal from our media and entertainment, has led to a cultural rot in western civilization that will be difficult to repair.
This is a pretty good historical analysis of the situation, titled "Darwinism and the teaching of racism and eugenics in biology textbooks":
Dan