In the Navy (SW 9178)
Illustrative room. Screen colors vary; test a sample before you paint.
In the Navy (SW 9178) is a very deep, cool blue from Sherwin-Williams: LRV 4, so it reflects about 4 percent of the light that hits it.
Colors that go with In the Navy
Three Sherwin-Williams colors picked for In the Navy by this site's color math: a trim white, 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 In the Navy, 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 | North Sea | CC-932 | 6 | 1.0 | indistinguishable |
| Behr | Soulful | HDC-FL13-7 | 5.5 | 4.7 | noticeably different |
| Valspar | Indigo Streamer | 4010-4 | 7 | 6.9 | clearly different |
| PPG Paints | Cavalry | 1041-7 | 7 | 6.9 | clearly different |
Lighter and darker in Sherwin-Williams
The Sherwin-Williams blue colors nearest to In the Navy (LRV 4) by LRV.
Lighter than In the Navy
Color data
| Brand | Sherwin-Williams |
|---|---|
| Color code | SW 9178 |
| Hex | #283849 |
| RGB | 40, 56, 73 |
| HSL | 211°, 29%, 22% |
| LRV (light reflectance value) | 4 |
| Lab L*, a*, b* | 22.9, -1.3, -12.5 |
| Undertone | Cool Blue |
| Temperature | cool |
| Color family | Blue |
Same paint, two kinds of light
In the Navy (SW 9178), published as #283849
#133047
#3A4049
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 In the Navy (SW 9178)?
- In the Navy has an LRV of 4. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so In the Navy is a very deep color.
- What is the closest match to In the Navy in another brand?
- North Sea (BM CC-932) from Benjamin Moore, at a deltaE of 1.0 (indistinguishable).
- Is In the Navy warm or cool?
- Sherwin-Williams lists In the Navy as cool, with a Cool Blue undertone. Its Lab b* value is -12.5; 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.