Atlantic Blue (Behr 600F-6)
Illustrative room. Screen colors vary; test a sample before you paint.
Atlantic Blue (Behr 600F-6) is a very deep, cool blue from Behr: LRV 16.6, so it reflects about 17 percent of the light that hits it.
Colors that go with Atlantic Blue
Four Behr colors picked for Atlantic Blue 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 Atlantic 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 | Distance | SW 6243 | 15 | 5.1 | clearly different |
| Benjamin Moore | Blue Heron | 832 | 15.8 | 3.2 | noticeably different |
| Valspar | Thundering Clouds | 4005-4B | 18 | 2.6 | noticeably different |
| PPG Paints | Blue Cloud | 1164-6 | 16 | 0.9 | indistinguishable |
Lighter and darker in Behr
The Behr blue colors nearest to Atlantic Blue (LRV 16.6 (estimated)) by LRV.
Lighter than Atlantic Blue
Darker than Atlantic Blue
Color data
| Brand | Behr |
|---|---|
| Color code | 600F-6 |
| Hex | #63728B |
| RGB | 99, 114, 139 |
| HSL | 218°, 17%, 47% |
| LRV (light reflectance value) | 16.6 (estimated from the hex) |
| Lab L*, a*, b* | 47.7, 0.5, -15.5 |
| Undertone | Cool Blue |
| Temperature | cool |
| Color family | Blue |
Same paint, two kinds of light
Atlantic Blue (Behr 600F-6), published as #63728B
#506989
#767B8B
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 Atlantic Blue (Behr 600F-6)?
- Atlantic Blue has an LRV of 16.6 (estimated from its hex value). LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Atlantic Blue is a very deep color.
- What is the closest match to Atlantic Blue in another brand?
- Blue Cloud (PPG 1164-6) from PPG Paints, at a deltaE of 0.9 (indistinguishable).
- Is Atlantic Blue warm or cool?
- Behr lists Atlantic Blue as cool, with a Cool Blue undertone. Its Lab b* value is -15.5; 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.