Who’s Most Least Compatible With Libra Libra passion perfect horoscope signs are gemini, aquarius, and aries. When it comes to matters of the heart, Libra seeks equilibrium and compatibility above all else. Gemini can provide excitement and playfulness to the bond, while Aquarius shares Libra's appreciation for mind and originality. The Ram, known for their passion, can ignite a flame in Libra's soul. Libra and these signs create a balanced and satisfying relationship.