Fair Isle Blue (BM CSP-715)

Illustrative room. Screen colors vary; test a sample before you paint.
Fair Isle Blue (BM CSP-715) is a very deep, cool blue from Benjamin Moore: LRV 15.6, so it reflects about 16 percent of the light that hits it.
Colors that go with Fair Isle Blue
Four Benjamin Moore colors picked for Fair Isle 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 Fair Isle 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 | Rookwood Sash Green | SW 2810 | 13 | 4.5 | noticeably different |
| Behr | Cathedral | 520F-6 | 13.8 | 1.8 | very close |
| Valspar | Ocean Abyss | 5002-6C | 14 | 1.5 | very close |
| PPG Paints | Vining Ivy | 1148-6 | 15 | 1.9 | very close |
Lighter and darker in Benjamin Moore
The Benjamin Moore blue colors nearest to Fair Isle Blue (LRV 15.6) by LRV.
Lighter than Fair Isle Blue
Darker than Fair Isle Blue
Color data
| Brand | Benjamin Moore |
|---|---|
| Color code | CSP-715 |
| Hex | #496E73 |
| RGB | 73, 110, 115 |
| HSL | 187°, 22%, 37% |
| LRV (light reflectance value) | 15.6 |
| Lab L*, a*, b* | 44.0, -11.7, -7.0 |
| Undertone | Cool |
| Temperature | cool |
| Color family | Blue |
Same paint, two kinds of light
Fair Isle Blue (BM CSP-715), published as #496E73
#346571
#5C7773
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 Fair Isle Blue (BM CSP-715)?
- Fair Isle Blue has an LRV of 15.6. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Fair Isle Blue is a very deep color.
- What is the closest match to Fair Isle Blue in another brand?
- Ocean Abyss (Valspar 5002-6C) from Valspar, at a deltaE of 1.5 (very close).
- Is Fair Isle Blue warm or cool?
- Benjamin Moore lists Fair Isle Blue as cool, with a Cool undertone. Its Lab b* value is -7.0; 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.