Sleepy Blue vs Dover Surf
Sleepy Blue (Sherwin-Williams) and Dover Surf (Valspar) come from different manufacturers. Both sit in the blue family, which is useful context if you're narrowing within a single hue direction. The 5-point LRV gap — 58 for Sleepy Blue vs 53 for Dover Surf — means Sleepy Blue will open up a space more effectively. ΔE 3.2 means they're clearly different, but not dramatically so — they'd pair well in the same room. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Sleepy Blue vs Dover Surf in Real Spaces
1 real room side by side. Sleepy Blue and Dover Surf 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.
Bathroom
Small bathrooms intensify color. A shade that seems quiet in a larger room can feel immersive when you're surrounded by it on four walls. Sleepy Blue has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Color Details
Sleepy Blue vs Dover Surf Simulated Comparison
5 simulated room previews — drag the slider on each to see Sleepy Blue on one side and Dover Surf 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 Sleepy Blue comparisons
See how Sleepy Blue stacks up against other well-photographed colors across different brands and tones.










































