Black Sapphire vs Purbeck Stone
Where Black Sapphire belongs to Behr's range, Purbeck Stone is a Farrow & Ball color. Black Sapphire reads as blue-grey, while Purbeck Stone reads as greige-grey — two distinct hue families, not close cousins. Purbeck Stone (LRV 52) reflects noticeably more light than Black Sapphire (LRV 7), a difference of 45 points that becomes especially apparent in rooms with limited natural light. Black Sapphire runs blue while Purbeck Stone is decidedly warm, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 50.1, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Black Sapphire vs Purbeck Stone in Real Spaces
1 real room side by side. Seeing Black Sapphire and Purbeck Stone in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Bathroom
Bathrooms are one of the few spaces where you're genuinely enclosed by the paint color, which makes the choice between these two more consequential. Purbeck Stone reflects noticeably more light off the walls, making the space read more open than Black Sapphire.
Color Details
Black Sapphire vs Purbeck Stone Simulated Comparison
5 simulated room previews — drag the slider on each to see Black Sapphire on one side and Purbeck Stone on the other.
Digital color is approximate. These simulations are generated from the manufacturer's hex values and overlaid on grayscale room photos — your screen's calibration, brightness, and viewing angle all affect how they render. Before committing to either color, test physical samples in your own space under the light you actually live with.
More Black Sapphire comparisons
See how Black Sapphire stacks up against other well-photographed colors across different brands and tones.










































