Wordmark “CHICAGO” in white on a marquee black background above wordmark “SKY” in black with an underline in black.

Wordmark “CHICAGO” above and in a larger font “SKY” in black.

Wordmark “SKY” in light blue with blue trim. The letter “K” is shaped like Chicago’s Sears/Willis Tower with two yellow antennas.

Wordmark “SKY” in light blue. The letter “K” is shaped like Chicago’s Sears/Willis Tower with two antennas.

Wordmark “CHICAGO SKY” in white with light blue formed background in a diagonal pattern.

Double lined wordmark “CHICAGO SKY” in light blue.