Chicago Blues vs RAL 630-2
Where Chicago Blues belongs to Benjamin Moore's range, RAL 630-2 is a RAL Effect color. These are both blues, so the question isn't which hue to choose — it's where within blue to land. Chicago Blues (LRV 18) reflects noticeably more light than RAL 630-2 (LRV 13), a difference of 5 points that becomes especially apparent in rooms with limited natural light. The ΔE 5.1 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.
Chicago Blues vs RAL 630-2 in Real Spaces
1 real room side by side. Chicago Blues and RAL 630-2 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.
House
Seen across an entire facade, subtle tonal differences become pronounced. What reads as nearly the same on a chip often reads as clearly different at scale. Chicago Blues reads slightly lighter here — a subtle but real difference in how open the space feels.
Color Details
Chicago Blues vs RAL 630-2 Simulated Comparison
5 simulated room previews — drag the slider on each to see Chicago Blues on one side and RAL 630-2 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 Chicago Blues comparisons
See how Chicago Blues stacks up against other well-photographed colors across different brands and tones.










































