You're referring to the KC ( Kansas City) Royals' colors!

The Kansas City Royals' colors are:

1、Royal Blue (a deep, rich blue, specifically Pantone 2965C)
2、Gold (a vibrant, warm gold, specifically Pantone 137C)

These iconic colors have been a part of the team's brand identity since their inception in 1969、The royal blue and gold colors are a nod to the city's rich history and heritage, as well as the team's name and logo.