What 15 tells you about Smoky Blue
The published LRV of Sherwin-Williams Smoky Blue SW-7604 is 15. It describes light reflectance; it does not specify an undertone or predict the brightness of your room. Smoky Blue's low LRV gives its gray-softened blue architectural weight rather than a pale wash effect.
The choice beside cognac leather and white trim
Cognac leather provides a warm colored counterpoint; extra blue accessories are optional because the wall already carries a strong direction.
Draw the proposed dark area on a room photograph and compare it with a broad physical Smoky Blue sample in shadow. The LRV describes the starting depth, while the size and location of that area determine its role. Check whether adjacent dark furniture remains legible.
What the comparison can—and cannot—settle
Smoky Blue and Slate Tile both have a published LRV of 15. That equality describes reflectance, not matching colorants or identical undertones. Smoky Blue is a deep blue softened by gray. The value measures reflectance, so it cannot by itself identify an undertone, a coating finish or the amount of illumination needed in the room. The daylight and evening-light checks covers that related choice.
Look at the sample from the entry as well as close up; a deep wall is judged across the room. Do not read LRV 15 as a percentage improvement in perceived room brightness. Make the decision with the board upright at the actual wall or cabinet position, including the least illuminated portion. The north-facing room assessment covers that related choice. Before ordering samples, compare room-planning features in the paint color visualizer roundup.
Sources & notes
Color specifications: Sherwin-Williams Smoky Blue SW-7604. The recorded LRV is 15. 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. Sherwin-Williams 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.

