Prussian Blue vs Cement grey
Where Prussian Blue belongs to Benjamin Moore's range, Cement grey is a RAL Classic color. Hue-wise, Prussian Blue belongs to the blue family and Cement grey to the grey family. Cement grey (LRV 24) reflects noticeably more light than Prussian Blue (LRV 12), a difference of 12 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 35.5, 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.
Prussian Blue vs Cement grey in Real Spaces
1 real room side by side. Seeing Prussian Blue and Cement grey in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Living Room
In a living room, color works across both daylight and evening light — the same wall can read very differently at noon and at 8pm. The LRV gap is large enough that Cement grey will make the room feel meaningfully brighter than Prussian Blue would.
Color Details
Prussian Blue vs Cement grey Simulated Comparison
5 simulated room previews — drag the slider on each to see Prussian Blue on one side and Cement grey 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 Prussian Blue comparisons
See how Prussian Blue stacks up against other well-photographed colors across different brands and tones.
