Smokey Blue (Behr 540F-5)

Illustrative room. Screen colors vary; test a sample before you paint.
Smokey Blue (Behr 540F-5) is a very deep, cool blue from Behr: LRV 18.5, so it reflects about 19 percent of the light that hits it.
Colors that go with Smokey Blue
Four Behr colors picked for Smokey Blue by this site's color math: a trim white, a deeper blue, a quiet contrast from another family, a dark accent. Behr did not choose these pairings.
Closest match in every other brand
Each brand's closest color to Smokey 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 |
|---|---|---|---|---|---|
| Sherwin-Williams | Labradorite | SW 7619 | 19 | 0.5 | indistinguishable |
| Benjamin Moore | Providence Blue | 1636 | 19.2 | 1.7 | very close |
| Valspar | Bountiful Blue | 4007-6B | 19 | 3.9 | noticeably different |
| PPG Paints | Sorcerer's Spell | 10-02 | 19 | 1.0 | very close |
Lighter and darker in Behr
The Behr blue colors nearest to Smokey Blue (LRV 18.5 (estimated)) by LRV.
Lighter than Smokey Blue
Darker than Smokey Blue
Color data
| Brand | Behr |
|---|---|
| Color code | 540F-5 |
| Hex | #647B84 |
| RGB | 100, 123, 132 |
| HSL | 197°, 14%, 45% |
| LRV (light reflectance value) | 18.5 (estimated from the hex) |
| Lab L*, a*, b* | 50.2, -6.2, -7.7 |
| Undertone | Cool |
| Temperature | cool |
| Color family | Blue |
Same paint, two kinds of light
Smokey Blue (Behr 540F-5), published as #647B84
#527282
#768484
These swatches and the rooms above are a simulation, not a measurement. How the visualizer works
Similar shades from Behr
More from Behr
Common questions
- What is the LRV of Smokey Blue (Behr 540F-5)?
- Smokey Blue has an LRV of 18.5 (estimated from its hex value). LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Smokey Blue is a very deep color.
- What is the closest match to Smokey Blue in another brand?
- Labradorite (SW 7619) from Sherwin-Williams, at a deltaE of 0.5 (indistinguishable).
- Is Smokey Blue warm or cool?
- Behr lists Smokey Blue as cool, with a Cool undertone. Its Lab b* value is -7.7; a higher b* is warmer and yellower, a lower one cooler and bluer.
Sources: hex as published by the manufacturer, via PaintDB (CC BY 4.0); LRV is not published by Behr for this color and is estimated here from the color's own hex value. 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.