5 Zodiac Signs That Are Libra Soulmates Libra heart perfect horoscope signs are twins, water bearer, and aries. When it comes to matters of the heart, Libra seeks balance and understanding above all else. Gemini can provide adventure and playfulness to the connection, while Aquarius shares Libra's appreciation for wisdom and originality. The Ram, known for their fire, can ignite a spark in Libra's being. Libra and these signs create a honest and fulfilling relationship.