Grand Canal (SW 6488)
Illustrative room. Screen colors vary; test a sample before you paint.
Grand Canal (SW 6488) is a very deep, cool blue from Sherwin-Williams: LRV 16, so it reflects about 16 percent of the light that hits it.
Colors that go with Grand Canal
Four Sherwin-Williams colors picked for Grand Canal 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 Grand Canal, 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 | Teal Ocean | 2049-30 | 17.2 | 2.4 | noticeably different |
| Behr | Pacific Sea Teal | 510D-7 | 18.1 | 2.7 | noticeably different |
| Valspar | Starry Sky | 5005-8C | 18 | 3.8 | noticeably different |
| PPG Paints | Lucky Shamrock | 1146-6 | 17 | 2.1 | very close |
Lighter and darker in Sherwin-Williams
The Sherwin-Williams blue colors nearest to Grand Canal (LRV 16) by LRV.
Lighter than Grand Canal
Darker than Grand Canal
Color data
| Brand | Sherwin-Williams |
|---|---|
| Color code | SW 6488 |
| Hex | #3C797D |
| RGB | 60, 121, 125 |
| HSL | 184°, 35%, 36% |
| LRV (light reflectance value) | 16 |
| Lab L*, a*, b* | 47.1, -18.5, -8.3 |
| Undertone | Cool |
| Temperature | cool |
| Color family | Blue |
Same paint, two kinds of light
Grand Canal (SW 6488), published as #3C797D
#1F707B
#53827D
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 Grand Canal (SW 6488)?
- Grand Canal has an LRV of 16. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Grand Canal is a very deep color.
- What is the closest match to Grand Canal in another brand?
- Lucky Shamrock (PPG 1146-6) from PPG Paints, at a deltaE of 2.1 (very close).
- Is Grand Canal warm or cool?
- Sherwin-Williams lists Grand Canal as cool, with a Cool undertone. Its Lab b* value is -8.3; 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.