Secure Blue (SW 6508)
Illustrative room. Screen colors vary; test a sample before you paint.
Secure Blue (SW 6508) is a deep, cool blue from Sherwin-Williams: LRV 22, so it reflects about 22 percent of the light that hits it.
Colors that go with Secure Blue
Four Sherwin-Williams colors picked for Secure Blue by this site's color math: a trim white, a deeper blue, a quiet contrast from another family, a dark accent. Sherwin-Williams did not choose these pairings.
Closest match in every other brand
Each brand's closest color to Secure 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 |
|---|---|---|---|---|---|
| Benjamin Moore | Blue Daisy | 2062-40 | 25.6 | 1.5 | very close |
| Behr | Jay Bird | S490-5 | 20.9 | 1.5 | very close |
| Valspar | Roadster Blue | 4006-6B | 21 | 2.7 | noticeably different |
| PPG Paints | Cosmopolitan | 1158-5 | 23 | 2.9 | noticeably different |
Lighter and darker in Sherwin-Williams
The Sherwin-Williams blue colors nearest to Secure Blue (LRV 22) by LRV.
Lighter than Secure Blue
Darker than Secure Blue
Color data
| Brand | Sherwin-Williams |
|---|---|
| Color code | SW 6508 |
| Hex | #5389A1 |
| RGB | 83, 137, 161 |
| HSL | 198°, 32%, 48% |
| LRV (light reflectance value) | 22 |
| Lab L*, a*, b* | 54.4, -11.1, -18.3 |
| Undertone | Cool Blue |
| Temperature | cool |
| Color family | Blue |
Same paint, two kinds of light
Secure Blue (SW 6508), published as #5389A1
#39809F
#6A92A1
These swatches and the rooms above are a simulation, not a measurement. How the visualizer works
Similar shades from Sherwin-Williams
More from Sherwin-Williams
Common questions
- What is the LRV of Secure Blue (SW 6508)?
- Secure Blue has an LRV of 22. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Secure Blue is a deep color.
- What is the closest match to Secure Blue in another brand?
- Blue Daisy (BM 2062-40) from Benjamin Moore, at a deltaE of 1.5 (very close).
- Is Secure Blue warm or cool?
- Sherwin-Williams lists Secure Blue as cool, with a Cool Blue undertone. Its Lab b* value is -18.3; 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.