What goes with a black blazer?

Almost anything, which is why it's so useful. Over a white shirt or tee with tailored trousers it reads professional; over a knit with dark jeans it reads smart casual; over a slip dress or silk top it reads evening. White, grey, denim, and earth tones all pair cleanly, and it's the easiest way to pull a relaxed outfit up a level.

Can you wear a black blazer with jeans?

Yes. Black blazer with dark, clean jeans is a smart-casual cornerstone. Keep the jeans free of fading and distressing so the contrast reads deliberate rather than mismatched, and finish with leather shoes, [loafers](/what-to-wear-with/loafers), or clean sneakers depending on how dressy you want to go.

Is a black blazer good for work?

Very. A black blazer is one of the most flexible workwear pieces there is. It anchors a [business-casual](/dress-codes/business-casual) outfit instantly and can dress up or down with what you wear underneath. For strict business-formal settings, a navy or charcoal blazer or a matching suit is sometimes preferred, but black covers most modern offices.

What to Wear With a Black Blazer

A black blazer is a wardrobe multiplier. Throw it over almost anything and the whole outfit climbs a level. Relaxed becomes smart, plain becomes considered. It’s the single most reliable way to look like you’ve made an effort, which is why it overlaps so neatly with work, dinner, and smart-casual dressing.

The thing to manage is matching your blacks: a true-black blazer against faded or warm-black jeans can look slightly off. Keep your dark pieces in the same family, or lean on contrast with white, grey, and denim instead.

What to wear

Men

Work: a white or blue shirt and tailored trousers for instant business casual. Add loafers or leather shoes.
Smart casual: a fine knit or tee with dark, clean jeans, finished with boots or minimal sneakers.
Evening / dinner: a crisp shirt open at the collar with dark trousers for an easy, sharp look.

Women

Work: a blouse or tee with tailored trousers or a pencil skirt; the blazer does the polishing.
Smart casual: a tee with straight-leg jeans and loafers or heels, relaxed but considered.
Evening / dinner: over a slip dress or a silk top, the black blazer turns a soft outfit sharp.

By occasion

The same blazer covers a remarkable range: work over a shirt, dinner over a knit, a date over a tee, a work party over something with a little shine, an interview over a blouse. Change only the layer underneath and the shoes, and one jacket dresses for the whole week.

Shoes that work

Leather loafers or Oxfords: the smart, work-appropriate default.
Heels or pointed flats: for an elevated or evening look.
Clean white sneakers: for the deliberately modern smart-casual version.
Ankle boots: the easy autumn-and-winter pairing.

Colours that work

White and grey are foolproof and keep things crisp. Denim (a black blazer over blue jeans) is a smart-casual classic. Earth tones (camel, tan, olive) warm the black up, and a single bold colour underneath pops cleanly against it. The only thing to watch is mismatched blacks; when in doubt, break up the black rather than doubling it.