Leo Compatibility with All 12 Zodiac Signs Best to WorstLibra heart ideal horoscope signs are gemini, aquarius, and ram. When it comes to matters of the heart, Libra seeks balance and compatibility above all else. Gemini can offer stimulation and fun to the bond, while Aquarius shares Libra's appreciation for mind and creativity. The Ram, known for their passion, can ignite a desire in Libra's spirit. Libra and these signs create a honest and fulfilling partnership.