In 1976 the Cardinals bought into the blue road uniform trend. Gussie Busch referred to this color as Victory Blue.
Teams in the National League celebrated the League’s centennial by wearing patches and pillbox style caps.
Sporting News: February 7, 1976
Wishful Cards to Wear ‘Victory Blue’ on Road
The Cardinals are trading in their traditional road gray uniforms for “victory blues.” General Manager Bing Devine said the Redbirds’ new road uniforms would continue to feature the familiar birds-on-bat insignia. White home uniforms will remain unchanged.
Cardinals Bright Red – PMS 186
Yellow uniform use – PMS 1235
Yellow print use – PMS 108
Navy Blue – PMS 289
Victory Blue – PMS 284