Source? In the last 15 years, SF median rent went up 78% and SF minimum wage went up 93% [1] [2], so it seems quite likely blue color wages outpaced inflation.
I notice a worrying trend where people invent negative economic stats instead of looking at the real numbers [3].
[1] https://fred.stlouisfed.org/series/CUURA422SEHA
[2] https://www.sf.gov/sites/default/files/2023-02/Historical%20...