Cobalt Embrace vs RAL 640-4
Cobalt Embrace is a Dulux color while RAL 640-4 comes from RAL Effect. These are both blues, so the question isn't which hue to choose — it's where within blue to land. With LRVs of 9 and 7, they'll behave almost identically in terms of how much light they reflect back into a room. At ΔE 5.6, the difference is perceptible but not dramatic — the two can work harmoniously in the same space. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Cobalt Embrace vs RAL 640-4 in Real Spaces
1 real room side by side. Cobalt Embrace and RAL 640-4 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.
Bedroom
Bedroom walls are often seen under warm artificial light, a context that shifts both colors from how they look on a chip. Side by side like this, the difference is easy to read — which is exactly why seeing them in a real space is more useful than comparing chips.
Color Details
Cobalt Embrace vs RAL 640-4 Simulated Comparison
5 simulated room previews — drag the slider on each to see Cobalt Embrace on one side and RAL 640-4 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 Cobalt Embrace comparisons
See how Cobalt Embrace stacks up against other well-photographed colors across different brands and tones.
