St. John Blue (BM CSP-675)
Illustrative room. Screen colors vary; test a sample before you paint.
St. John Blue (BM CSP-675) is a deep, cool blue from Benjamin Moore: LRV 34, so it reflects about 34 percent of the light that hits it.
Colors that go with St. John Blue
Four Benjamin Moore colors picked for St. John 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 St. John 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 | Tranquil Aqua | SW 7611 | 30 | 2.2 | very close |
| Behr | Aqua Gray | BNC-18 | 32.7 | 2.5 | noticeably different |
| Valspar | Lucy Blue | 5001-5C | 39 | 4.2 | noticeably different |
| PPG Paints | Symphony Of Blue | 1035-4 | 33 | 2.5 | noticeably different |
Lighter and darker in Benjamin Moore
The Benjamin Moore blue colors nearest to St. John Blue (LRV 34) by LRV.
Lighter than St. John Blue
Darker than St. John Blue
Color data
| Brand | Benjamin Moore |
|---|---|
| Color code | CSP-675 |
| Hex | #82A1A7 |
| RGB | 130, 161, 167 |
| HSL | 190°, 17%, 58% |
| LRV (light reflectance value) | 34 |
| Lab L*, a*, b* | 64.2, -9.3, -6.6 |
| Undertone | Cool |
| Temperature | cool |
| Color family | Blue |
Same paint, two kinds of light
St. John Blue (BM CSP-675), published as #82A1A7
#6F97A5
#95ABA7
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 St. John Blue (BM CSP-675)?
- St. John Blue has an LRV of 34. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so St. John Blue is a deep color.
- What is the closest match to St. John Blue in another brand?
- Tranquil Aqua (SW 7611) from Sherwin-Williams, at a deltaE of 2.2 (very close).
- Is St. John Blue warm or cool?
- Benjamin Moore lists St. John Blue as cool, with a Cool undertone. Its Lab b* value is -6.6; 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.