Stiffkey Blue vs RAL 630-3
Stiffkey Blue is a Farrow & Ball color while RAL 630-3 comes from RAL Effect. These are both blues, so the question isn't which hue to choose — it's where within blue to land. At LRV 10 vs 7, Stiffkey Blue will read as the brighter of the two — a 3-point gap that matters most in north-facing or low-light rooms. At ΔE 13.5, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below you'll find 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Stiffkey Blue vs RAL 630-3 in Real Spaces
3 real rooms side by side. Seeing Stiffkey Blue and RAL 630-3 in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Bedroom
Bedroom walls are often seen under warm artificial light, a context that shifts both colors from how they look on a chip. The brightness difference is modest but present — Stiffkey Blue gives the walls a little more lift.
Kitchen
Kitchen lighting tends to be bright and directional, which sharpens contrast and makes undertone differences more apparent. The brightness difference is modest but present — Stiffkey Blue gives the walls a little more lift.
House
At full exterior scale, the difference between these two colors becomes much easier to judge than from a small chip. The brightness difference is modest but present — Stiffkey Blue gives the walls a little more lift.
Color Details
Stiffkey Blue vs RAL 630-3 Simulated Comparison
5 simulated room previews — drag the slider on each to see Stiffkey Blue on one side and RAL 630-3 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 Stiffkey Blue comparisons
See how Stiffkey Blue stacks up against other well-photographed colors across different brands and tones.
