Because lilacs have one of the earliest bloom times, they symbolize spring and renewal. Lilacs also symbolize confidence, which makes them a traditionally popular gift for graduates. There are many meanings that lilacs have that can best be classified by color. White lilacs symbolize purity and innocence. Violet lilacs symbolize spirituality. Blue lilacs symbolize happiness and tranquility. Magenta lilacs symbolize love and passion. Lilac, the color for which this flower is named, is a light purple that symbolizes a first love. Although various colors of lilacs have different meanings, the lilac has always had a strong association with love and romance throughout history.