Steel Symphony 4 vs Classic Blue
Steel Symphony 4 is a Dulux color while Classic Blue comes from Jotun. Steel Symphony 4 reads as blue-grey, while Classic Blue reads as blue — two distinct hue families, not close cousins. With LRVs of 54 and 52, they'll behave almost identically in terms of how much light they reflect back into a room. They share a cool quality — useful to know if you're layering them in the same space. At ΔE 3.1, the difference is perceptible but not dramatic — the two can work harmoniously in the same space. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Steel Symphony 4 vs Classic Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see Steel Symphony 4 on one side and Classic 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 Steel Symphony 4 comparisons
See how Steel Symphony 4 stacks up against other well-photographed colors across different brands and tones.







































