Periwinkle vs Pastel blue
Periwinkle (Behr) and Pastel blue (RAL Classic) come from different manufacturers. Both sit in the blue family, which is useful context if you're narrowing within a single hue direction. The 6-point LRV gap — 35 for Periwinkle vs 29 for Pastel blue — means Periwinkle will open up a space more effectively. A ΔE of 18.5 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Periwinkle vs Pastel blue in Real Spaces
1 real room side by side. Seeing Periwinkle and Pastel blue in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Kitchen
Kitchens often have the harshest, most revealing light in the house — under-cabinet LEDs and overhead fixtures that strip away subtlety. Periwinkle has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Color Details
Periwinkle vs Pastel blue Simulated Comparison
5 simulated room previews — drag the slider on each to see Periwinkle on one side and Pastel 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 Periwinkle comparisons
See how Periwinkle stacks up against other well-photographed colors across different brands and tones.










































