Eternal Elegance (Behr M540-3)

Illustrative room. Screen colors vary; test a sample before you paint.
Eternal Elegance (Behr M540-3) is a medium, cool blue from Behr: LRV 53.8, so it reflects about 54 percent of the light that hits it.
Colors that go with Eternal Elegance
Four Behr colors picked for Eternal Elegance by this site's color math: a trim white, a deeper blue, a quiet contrast from another family, a dark accent. Behr did not choose these pairings.
Closest match in every other brand
Each brand's closest color to Eternal Elegance, 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 | Agapanthus | SW 9066 | 56 | 2.5 | noticeably different |
| Benjamin Moore | Feather Soft | 1431 | 56.6 | 3.2 | noticeably different |
| Valspar | Promise | 4005-7C | 55 | 2.0 | very close |
| PPG Paints | Blue Thistle | 1162-3 | 51 | 2.6 | noticeably different |
Lighter and darker in Behr
The Behr blue colors nearest to Eternal Elegance (LRV 53.8 (estimated)) by LRV.
Lighter than Eternal Elegance
Darker than Eternal Elegance
Color data
| Brand | Behr |
|---|---|
| Color code | M540-3 |
| Hex | #B3C3DD |
| RGB | 179, 195, 221 |
| HSL | 217°, 38%, 78% |
| LRV (light reflectance value) | 53.8 (estimated from the hex) |
| Lab L*, a*, b* | 78.4, 0.0, -14.8 |
| Undertone | Cool Blue |
| Temperature | cool |
| Color family | Blue |
Same paint, two kinds of light
Eternal Elegance (Behr M540-3), published as #B3C3DD
#A0B9DB
#C7CDDD
These swatches and the rooms above are a simulation, not a measurement. How the visualizer works
Similar shades from Behr
More from Behr
Common questions
- What is the LRV of Eternal Elegance (Behr M540-3)?
- Eternal Elegance has an LRV of 53.8 (estimated from its hex value). LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Eternal Elegance is a medium color.
- What is the closest match to Eternal Elegance in another brand?
- Promise (Valspar 4005-7C) from Valspar, at a deltaE of 2.0 (very close).
- Is Eternal Elegance warm or cool?
- Behr lists Eternal Elegance as cool, with a Cool Blue undertone. Its Lab b* value is -14.8; a higher b* is warmer and yellower, a lower one cooler and bluer.
Sources: hex as published by the manufacturer, via PaintDB (CC BY 4.0); LRV is not published by Behr for this color and is estimated here from the color's own hex value. 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.