Steel blue vs RAL 620-6
Where Steel blue belongs to RAL Classic's range, RAL 620-6 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. They have nearly identical light reflectance values (5 vs 4), so they'll read as similarly Dark in most lighting conditions. At ΔE 1.5, these are close — the kind of difference that matters when choosing between them, but doesn't read strongly in a finished room. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Steel blue vs RAL 620-6 in Real Spaces
1 real room side by side. Steel blue and RAL 620-6 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.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. At this scale the difference is subtle — you'd need them side by side, as shown here, to reliably tell them apart.
Color Details
Steel blue vs RAL 620-6 Simulated Comparison
5 simulated room previews — drag the slider on each to see Steel blue on one side and RAL 620-6 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 Steel blue comparisons
See how Steel blue stacks up against other well-photographed colors across different brands and tones.
