Aquitaine (SW 9057)
Illustrative room. Screen colors vary; test a sample before you paint.
Aquitaine (SW 9057) is a deep, cool blue from Sherwin-Williams: LRV 38, so it reflects about 38 percent of the light that hits it.
Colors that go with Aquitaine
Four Sherwin-Williams colors picked for Aquitaine 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 Aquitaine, 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 | Saratoga Springs | 1669 | 41.8 | 2.9 | noticeably different |
| Behr | Crashing Waves | S450-4 | 37.4 | 0.9 | indistinguishable |
| Valspar | Lucy Blue | 5001-5C | 39 | 1.3 | very close |
| PPG Paints | Mountain Stream | 1149-4 | 41 | 3.3 | noticeably different |
Lighter and darker in Sherwin-Williams
The Sherwin-Williams blue colors nearest to Aquitaine (LRV 38) by LRV.
Lighter than Aquitaine
Darker than Aquitaine
Color data
| Brand | Sherwin-Williams |
|---|---|
| Color code | SW 9057 |
| Hex | #88ABB4 |
| RGB | 136, 171, 180 |
| HSL | 192°, 23%, 62% |
| LRV (light reflectance value) | 38 |
| Lab L*, a*, b* | 67.8, -9.8, -8.5 |
| Undertone | Cool |
| Temperature | cool |
| Color family | Blue |
Same paint, two kinds of light
Aquitaine (SW 9057), published as #88ABB4
#75A1B2
#9CB5B4
These swatches and the rooms above are a simulation, not a measurement. How the visualizer works
Similar shades from Sherwin-Williams
More from Sherwin-Williams
Common questions
- What is the LRV of Aquitaine (SW 9057)?
- Aquitaine has an LRV of 38. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Aquitaine is a deep color.
- What is the closest match to Aquitaine in another brand?
- Crashing Waves (Behr S450-4) from Behr, at a deltaE of 0.9 (indistinguishable).
- Is Aquitaine warm or cool?
- Sherwin-Williams lists Aquitaine as cool, with a Cool undertone. Its Lab b* value is -8.5; 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.