Smoky Blue (SW 7604)
Illustrative room. Screen colors vary; test a sample before you paint.
Smoky Blue (SW 7604) is a very deep, cool blue from Sherwin-Williams: LRV 15, so it reflects about 15 percent of the light that hits it.
Colors that go with Smoky Blue
Four Sherwin-Williams colors picked for Smoky Blue by this site's color math: a trim white, a deeper blue, a quiet contrast from another family, a dark accent. Sherwin-Williams did not choose these pairings.
Closest match in every other brand
Each brand's closest color to Smoky Blue, ranked by CIEDE2000 (deltaE): under 1.0 is indistinguishable, 1.0 to 2.3 very close, 2.3 to 5 noticeably different, over 5 clearly different.
| Brand | Closest color | Code | LRV | deltaE | How close |
|---|---|---|---|---|---|
| Benjamin Moore | Thousand Oceans | 1645 | 17.6 | 2.3 | noticeably different |
| Behr | Distance | 540F-6 | 13.5 | 1.8 | very close |
| Valspar | Smoky Pitch | 4007-4B | 15 | 2.7 | noticeably different |
| PPG Paints | Hatteras Gray | 10-10 | 15 | 2.0 | very close |
Lighter and darker in Sherwin-Williams
The Sherwin-Williams blue colors nearest to Smoky Blue (LRV 15) by LRV.
Lighter than Smoky Blue
Darker than Smoky Blue
Color data
| Brand | Sherwin-Williams |
|---|---|
| Color code | SW 7604 |
| Hex | #596E79 |
| RGB | 89, 110, 121 |
| HSL | 201°, 15%, 41% |
| LRV (light reflectance value) | 15 |
| Lab L*, a*, b* | 45.2, -5.0, -8.7 |
| Undertone | Cool |
| Temperature | cool |
| Color family | Blue |
Same paint, two kinds of light
Smoky Blue (SW 7604), published as #596E79
#476577
#6B7779
These swatches and the rooms above are a simulation, not a measurement. How the visualizer works
Similar shades from Sherwin-Williams
Comparisons that include Smoky Blue (SW 7604)
More from Sherwin-Williams
Common questions
- What is the LRV of Smoky Blue (SW 7604)?
- Smoky Blue has an LRV of 15. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Smoky Blue is a very deep color.
- What is the closest match to Smoky Blue in another brand?
- Distance (Behr 540F-6) from Behr, at a deltaE of 1.8 (very close).
- Is Smoky Blue warm or cool?
- Sherwin-Williams lists Smoky Blue as cool, with a Cool undertone. Its Lab b* value is -8.7; a higher b* is warmer and yellower, a lower one cooler and bluer.
Sources: LRV and hex as published by the manufacturer, via PaintDB (CC BY 4.0). Color differences are CIEDE2000 values computed by this site from the hex values (data snapshot 2026-10-01). Color names and codes belong to their manufacturers.