The decision for this particular color
Laguna Blue can be considered for bathroom if its color and depth suit the space; the first design question is a coastal blue with more weight than a pastel. Laguna Blue is a deep oceanic color, so a coastal association should not create an expectation of pale, airy walls.
Why the pale oak and white linen relationship matters
White linen and pale oak can provide contrast, while the dark blue carries the principal color in the room.
Laguna Blue has an LRV of 17; Sherwin-Williams Smoky Blue SW-7604 is 15. The difference is 2 points, with Laguna Blue returning more light under the reference measurement.
Let tile and porcelain set the limits
Assess Laguna Blue on the vanity or wall under the bathroom's actual lighting. Check the shadow below the countertop and the dark outline in the mirror. The porcelain can provide a large light contrast, but its brightness does not establish how the rest of the painted surface will read.
Separate the palette from the moisture specification
Use it where a substantial blue surface is wanted, then check the evening corner before assuming an airy effect. The undertones and neighboring colors covers that related choice. The daylight and evening-light checks covers that related choice.
Choose a Behr coating appropriate to the bathroom surface and follow the manufacturer's preparation and application guidance. Color PPU-14-18 does not identify a moisture-control system. Ventilation, substrate condition and the intended finish are separate decisions; approve the color under the real vanity lighting before ordering the full paint quantity. The trim color comparison covers that related choice. Before ordering samples, compare room-planning features in the paint color visualizer roundup.
Sources & notes
Color specifications: Behr Laguna Blue PPU-14-18. The recorded LRV is 17. Named comparison values come from the respective manufacturers; material schemes are editorial suggestions.
This guide reviews published color information and proposes practical sample checks. It does not claim first-hand paint testing or customer-review scores. Behr does not sponsor or endorse this site. Product names and trademarks belong to their respective owners. Confirm the color in a physical sample and select the coating for the actual surface and finish.

