Dix Blue vs Iron Grey
Where Dix Blue belongs to Farrow & Ball's range, Iron Grey is a Jotun color. Hue-wise, Dix Blue belongs to the blue-grey family and Iron Grey to the grey family. They have nearly identical light reflectance values (41 vs 39), so they'll read as similarly Medium in most lighting conditions. Dix Blue runs cool while Iron Grey is decidedly neutral, which means they'll respond very differently to warm vs cool light sources. The ΔE 9.8 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Dix Blue vs Iron Grey in Real Spaces
1 real room side by side. Dix Blue and Iron Grey are close enough that the difference can be hard to judge from a chip alone — these photos show how each reads at scale, across different spaces and lighting conditions.
Color Details
Dix Blue vs Iron Grey Simulated Comparison
5 simulated room previews — drag the slider on each to see Dix Blue on one side and Iron 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 Dix Blue comparisons
See how Dix Blue stacks up against other well-photographed colors across different brands and tones.









































