Soulful Blue (SW 6543)
Illustrative room. Screen colors vary; test a sample before you paint.
Soulful Blue (SW 6543) is a deep, cool blue from Sherwin-Williams: LRV 20, so it reflects about 20 percent of the light that hits it.
Colors that go with Soulful Blue
Four Sherwin-Williams colors picked for Soulful 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 Soulful 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 | In the Twilight | 1434 | 21.8 | 1.0 | indistinguishable |
| Behr | Fantasia | S550-5 | 18.9 | 1.8 | very close |
| Valspar | Seattle Haze | 4003-4B | 21 | 2.3 | noticeably different |
| PPG Paints | Silver Blueberry | 1163-5 | 21 | 5.5 | clearly different |
Lighter and darker in Sherwin-Williams
The Sherwin-Williams blue colors nearest to Soulful Blue (LRV 20) by LRV.
Lighter than Soulful Blue
Darker than Soulful Blue
Color data
| Brand | Sherwin-Williams |
|---|---|
| Color code | SW 6543 |
| Hex | #757C91 |
| RGB | 117, 124, 145 |
| HSL | 225°, 11%, 51% |
| LRV (light reflectance value) | 20 |
| Lab L*, a*, b* | 52.1, 2.1, -12.2 |
| Undertone | Cool Blue |
| Temperature | cool |
| Color family | Blue |
Same paint, two kinds of light
Soulful Blue (SW 6543), published as #757C91
#63738F
#878591
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 Soulful Blue (SW 6543)?
- Soulful Blue has an LRV of 20. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Soulful Blue is a deep color.
- What is the closest match to Soulful Blue in another brand?
- In the Twilight (BM 1434) from Benjamin Moore, at a deltaE of 1.0 (indistinguishable).
- Is Soulful Blue warm or cool?
- Sherwin-Williams lists Soulful Blue as cool, with a Cool Blue undertone. Its Lab b* value is -12.2; 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.