Cosmic Cobalt vs Dix Blue
Cosmic Cobalt (Behr) and Dix Blue (Farrow & Ball) come from different manufacturers. Hue-wise, Cosmic Cobalt belongs to the blue family and Dix Blue to the blue-grey family. The 31-point LRV gap — 41 for Dix Blue vs 10 for Cosmic Cobalt — means Dix Blue will open up a space more effectively. Where Cosmic Cobalt leans blue, Dix Blue reads cool — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 43.2 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Cosmic Cobalt vs Dix Blue in Real Spaces
1 real room side by side. Seeing Cosmic Cobalt and Dix Blue in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Front Door
On a front door, the color is both the first and last thing you see — a context where even a modest tonal difference reads clearly. Dix Blue reflects noticeably more light off the walls, making the space read more open than Cosmic Cobalt.
Color Details
Cosmic Cobalt vs Dix Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see Cosmic Cobalt on one side and Dix Blue 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 Cosmic Cobalt comparisons
See how Cosmic Cobalt stacks up against other well-photographed colors across different brands and tones.









































