Libra Compatibility Most And Least Compatible SignsLibra heart ideal zodiac signs are twins, aquarius, and aries. When it comes to matters of the heart, Libra seeks balance and understanding above all else. The Twins can provide excitement and fun to the bond, while The Water Bearer shares Libra's appreciation for intellect and creativity. Aries, known for their intensity, can ignite a spark in Libra's spirit. Libra and these signs create a well-rounded and fulfilling union.