Windy Blue (SW 6240)
Illustrative room. Screen colors vary; test a sample before you paint.
Windy Blue (SW 6240) is a medium, cool blue from Sherwin-Williams: LRV 48, so it reflects about 48 percent of the light that hits it.
Colors that go with Windy Blue
Four Sherwin-Williams colors picked for Windy 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 Windy 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 | November Skies | 2128-50 | 48.6 | 1.5 | very close |
| Behr | Calming Space | ICC-45 | 46.3 | 1.3 | very close |
| Valspar | Palisade Blue | 4006-3B | 46 | 1.3 | very close |
| PPG Paints | Chambray | 1153-4 | 50 | 2.2 | very close |
Lighter and darker in Sherwin-Williams
The Sherwin-Williams blue colors nearest to Windy Blue (LRV 48) by LRV.
Lighter than Windy Blue
Darker than Windy Blue
Color data
| Brand | Sherwin-Williams |
|---|---|
| Color code | SW 6240 |
| Hex | #AABAC6 |
| RGB | 170, 186, 198 |
| HSL | 206°, 20%, 72% |
| LRV (light reflectance value) | 48 |
| Lab L*, a*, b* | 74.7, -3.0, -7.9 |
| Undertone | Cool |
| Temperature | cool |
| Color family | Blue |
Same paint, two kinds of light
Windy Blue (SW 6240), published as #AABAC6
#98B0C4
#BDC4C6
These swatches and the rooms above are a simulation, not a measurement. How the visualizer works
Similar shades from Sherwin-Williams
Comparisons that include Windy Blue (SW 6240)
More from Sherwin-Williams
Common questions
- What is the LRV of Windy Blue (SW 6240)?
- Windy Blue has an LRV of 48. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Windy Blue is a medium color.
- What is the closest match to Windy Blue in another brand?
- Palisade Blue (Valspar 4006-3B) from Valspar, at a deltaE of 1.3 (very close).
- Is Windy Blue warm or cool?
- Sherwin-Williams lists Windy Blue as cool, with a Cool undertone. Its Lab b* value is -7.9; 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.