Off-Black isn't a true black, mate — it's a soft, green-grey near-black, and that's the key to dressing it well. Treat it like the brooding, atmospheric colour it is and it'll reward you. Try to brighten it with crisp brilliant white trim and you'll fight it the whole way.
The move that works best is to drench — walls, woodwork and ceiling all in Off-Black. That stops the green-grey reading as a flat, hard black and lets it become atmosphere instead. Think snug studies, panelled dining rooms, north-facing boltholes you want to feel cocooning. Done as a full envelope, the softness of the colour does the heavy lifting.
For your lift, go warm and gentle. Paint & Paper Library Sand I (LRV 95.4) is a beautifully warm off-white — use it for any skirting or adjacent ceiling and it'll read soft rather than clinical against the dark. Dulux Moon Shimmer (LRV 92.3) is another warm, quiet near-white that does the same job if you want a connecting hallway or a brighter neighbour. Both keep that all-important warmth that stops Off-Black going cold and morgue-like.
Want a bit more depth and tonal interest? Mylands Alderman No.60 (LRV 58.8) is a lovely mid green that sits in the same family as Off-Black's undertone — perfect for a feature piece, a runner of cabinetry, or an adjoining room so the scheme flows.
The real magic ingredient is metal, not paint. Warm brass — switches, picture lights, handles, a mirror frame — sings against Off-Black in a way chrome never will. Add timber, a warm wool rug, and unlined linen and the whole thing comes alive.
Practical tip: avoid stark white skirting at all costs. If you must have a contrasting skirting rather than drenching, take it to Sand I, not Pointing or a brilliant white. And test it in your actual evening lamplight — Off-Black is a low-light hero and looks completely different by day.