Which Zodiac Signs are Perfect Soulmates for Libra How is a Libra passion perfect zodiac signs are twins, aquarius, and aries. When it comes to matters of the heart, Libra seeks harmony and compatibility above all else. Gemini can provide adventure and playfulness to the bond, while Aquarius shares Libra's appreciation for wisdom and originality. Aries, known for their passion, can ignite a desire in Libra's being. Libra and these signs create a balanced and satisfying relationship.