Thousand Oceans (BM 1645)

Illustrative room. Screen colors vary; test a sample before you paint.
Thousand Oceans (BM 1645) is a very deep, cool blue from Benjamin Moore: LRV 17.6, so it reflects about 18 percent of the light that hits it.
Colors that go with Thousand Oceans
Four Benjamin Moore colors picked for Thousand Oceans by this site's color math: a trim white, a deeper blue, a quiet contrast from another family, a dark accent. Benjamin Moore did not choose these pairings.
Closest match in every other brand
Each brand's closest color to Thousand Oceans, 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 | Smoky Blue | SW 7604 | 15 | 2.3 | noticeably different |
| Behr | Windsor Haze | 560F-6 | 16.3 | 1.8 | very close |
| Valspar | Smoky Pitch | 4007-4B | 15 | 3.4 | noticeably different |
| PPG Paints | Hatteras Gray | 10-10 | 15 | 2.0 | very close |
Lighter and darker in Benjamin Moore
The Benjamin Moore blue colors nearest to Thousand Oceans (LRV 17.6) by LRV.
Lighter than Thousand Oceans
Darker than Thousand Oceans
Color data
| Brand | Benjamin Moore |
|---|---|
| Color code | 1645 |
| Hex | #5E7480 |
| RGB | 94, 116, 128 |
| HSL | 201°, 15%, 44% |
| LRV (light reflectance value) | 17.6 |
| Lab L*, a*, b* | 47.5, -5.1, -9.2 |
| Undertone | Cool |
| Temperature | cool |
| Color family | Blue |
Same paint, two kinds of light
Thousand Oceans (BM 1645), published as #5E7480
#4B6B7E
#707D80
These swatches and the rooms above are a simulation, not a measurement. How the visualizer works
Similar shades from Benjamin Moore
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Common questions
- What is the LRV of Thousand Oceans (BM 1645)?
- Thousand Oceans has an LRV of 17.6. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Thousand Oceans is a very deep color.
- What is the closest match to Thousand Oceans in another brand?
- Windsor Haze (Behr 560F-6) from Behr, at a deltaE of 1.8 (very close).
- Is Thousand Oceans warm or cool?
- Benjamin Moore lists Thousand Oceans as cool, with a Cool undertone. Its Lab b* value is -9.2; 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.