Kardashian and her boyfriend, rapper Kanye West, welcomed their first child this past Saturday in Los Angeles.
"She has dark hair," an insider told E! News. "She looks just like Kim."
The baby's name has not been announced but sources told E! News Kardashian will choose one that starts with a K, a tradition in her family.
Her mother's name is Kris and her siblings include sisters Kourtney and Khloe Kardashian, and half-sisters Kendall and Kylie Jenner.