Randolph Blue vs Cook's Blue
Randolph Blue (Benjamin Moore) and Cook's Blue (Farrow & Ball) come from different manufacturers. These are both blues, so the question isn't which hue to choose — it's where within blue to land. The 3-point LRV gap — 25 for Cook's Blue vs 22 for Randolph Blue — means Cook's Blue will open up a space more effectively. Where Randolph Blue leans blue, Cook's Blue reads cool — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 11.7 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.
Randolph Blue vs Cook's Blue in Real Spaces
1 real room side by side. Seeing Randolph Blue and Cook's 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. The distinction reads clearly at room scale, making the choice between them concrete.
Color Details
Randolph Blue vs Cook's Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see Randolph Blue on one side and Cook's 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 Randolph Blue comparisons
See how Randolph Blue stacks up against other well-photographed colors across different brands and tones.
