The new and distinct cultivar of perennial Salvia plant named ‘;Vanity Flair’; characterized by its large, soft lavender flowers from light buds, densely arranged in verticils. The new plant has a medium to tall height, compact, rounded habit with stiff, upright, heavily-branched stems and a strong vigorous growth rate and dark gray-green foliage. ‘;Vanity Flair’; is useful for landscaping as a specimen plant or en masse.