Ultramarine blue vs Honorable Blue
Where Ultramarine blue belongs to RAL Classic's range, Honorable Blue is a Sherwin-Williams color. Both sit in the blue family, which is useful context if you're narrowing within a single hue direction. They have nearly identical light reflectance values (7 vs 6), so they'll read as similarly Dark in most lighting conditions. With a ΔE of 13.7, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Ultramarine blue vs Honorable Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see Ultramarine blue on one side and Honorable 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 Ultramarine blue comparisons
See how Ultramarine blue stacks up against other well-photographed colors across different brands and tones.
