Baltimore Colts 1979 – 1983 The first horseshoe logo appeared in 1979. The logo is a blue horseshoe with seven small white holes.Colts Wordmark LogoColts Team HistoryColts Primary Logo The Baltimore Colts’ primary logo is one of the most recognizable logos in professional sports. The iconic horseshoe-shaped design has been a part of the team’s identity since its inception in …