Blue Lagoon (BM 2054-40)

Illustrative room. Screen colors vary; test a sample before you paint.
Blue Lagoon (BM 2054-40) is a deep, cool blue from Benjamin Moore: LRV 29.9, so it reflects about 30 percent of the light that hits it.
Colors that go with Blue Lagoon
Four Benjamin Moore colors picked for Blue Lagoon 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 Blue Lagoon, 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 | Jamaica Bay | SW 6781 | 30 | 2.4 | noticeably different |
| Behr | Explorer Blue | M470-5 | 31.5 | 3.2 | noticeably different |
| Valspar | Sea Exposure | 5005-8B | 29 | 2.2 | very close |
| PPG Paints | Acapulco Cliffs | 1150-5 | 28 | 1.6 | very close |
Lighter and darker in Benjamin Moore
The Benjamin Moore blue colors nearest to Blue Lagoon (LRV 29.9) by LRV.
Lighter than Blue Lagoon
Darker than Blue Lagoon
Color data
| Brand | Benjamin Moore |
|---|---|
| Color code | 2054-40 |
| Hex | #409CAC |
| RGB | 64, 156, 172 |
| HSL | 189°, 46%, 46% |
| LRV (light reflectance value) | 29.9 |
| Lab L*, a*, b* | 59.8, -22.1, -16.4 |
| Undertone | Cool Blue |
| Temperature | cool |
| Color family | Blue |
Same paint, two kinds of light
Blue Lagoon (BM 2054-40), published as #409CAC
#1292AA
#5DA6AC
These swatches and the rooms above are a simulation, not a measurement. How the visualizer works
Similar shades from Benjamin Moore
More from Benjamin Moore
Common questions
- What is the LRV of Blue Lagoon (BM 2054-40)?
- Blue Lagoon has an LRV of 29.9. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Blue Lagoon is a deep color.
- What is the closest match to Blue Lagoon in another brand?
- Acapulco Cliffs (PPG 1150-5) from PPG Paints, at a deltaE of 1.6 (very close).
- Is Blue Lagoon warm or cool?
- Benjamin Moore lists Blue Lagoon as cool, with a Cool Blue undertone. Its Lab b* value is -16.4; 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.