What to wear with a crazy printed blazer?

A black dress, or something that goes with the color theme.

a cute, solid color blouse!

A solid colored shirt/dress. Go with neutral colors of pick the least used color in the blazer design and match it to your shirt.

a black or light colored dress or a top and pants that have light colors or are black

you can still mix prints too. depends on what the print is for example floral and polka dots is a fun and girly way to mix.

if that’s not for you stick to neutral colors or pick one color from the blazer and stick with that

You can opt for colored blouse just like printed one. Make sure that the color of it complements with your cardigan. ^^