Wetherburn's Blue (BM CW-580)

Illustrative room. Screen colors vary; test a sample before you paint.
Wetherburn's Blue (BM CW-580) is a deep, neutral blue from Benjamin Moore: LRV 23.6, so it reflects about 24 percent of the light that hits it.
Colors that go with Wetherburn's Blue
Four Benjamin Moore colors picked for Wetherburn's Blue 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 Wetherburn's 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 |
|---|---|---|---|---|---|
| Sherwin-Williams | Portsmouth | SW 9644 | 22 | 2.9 | noticeably different |
| Behr | Winter In Paris | MQ6-03 | 22.5 | 1.7 | very close |
| Valspar | Northern Juniper | 5001-4B | 24 | 2.6 | noticeably different |
| PPG Paints | Blue Blood | 1034-6 | 20 | 1.9 | very close |
Lighter and darker in Benjamin Moore
The Benjamin Moore blue colors nearest to Wetherburn's Blue (LRV 23.6) by LRV.
Lighter than Wetherburn's Blue
Darker than Wetherburn's Blue
Color data
| Brand | Benjamin Moore |
|---|---|
| Color code | CW-580 |
| Hex | #6F8486 |
| RGB | 111, 132, 134 |
| HSL | 185°, 9%, 48% |
| LRV (light reflectance value) | 23.6 |
| Lab L*, a*, b* | 53.6, -7.1, -3.6 |
| Undertone | Cool |
| Temperature | neutral |
| Color family | Blue |
Same paint, two kinds of light
Wetherburn's Blue (BM CW-580), published as #6F8486
#5D7B84
#818D86
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 Wetherburn's Blue (BM CW-580)?
- Wetherburn's Blue has an LRV of 23.6. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Wetherburn's Blue is a deep color.
- What is the closest match to Wetherburn's Blue in another brand?
- Winter In Paris (Behr MQ6-03) from Behr, at a deltaE of 1.7 (very close).
- Is Wetherburn's Blue warm or cool?
- Benjamin Moore lists Wetherburn's Blue as neutral, with a Cool undertone. Its Lab b* value is -3.6; 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.