Bosporus (SW 6503)
Illustrative room. Screen colors vary; test a sample before you paint.
Bosporus (SW 6503) is a very deep, cool blue from Sherwin-Williams: LRV 9, so it reflects about 9 percent of the light that hits it.
Colors that go with Bosporus
Four Sherwin-Williams colors picked for Bosporus 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 Bosporus, 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 | Slate Teal | 2058-20 | 9.1 | 3.4 | noticeably different |
| Behr | Deep Blue Sea | 540D-7 | 9.3 | 1.3 | very close |
| Valspar | Shaded Lake | 5011-9 | 10 | 3.2 | noticeably different |
| PPG Paints | Jamaican Dream | 1151-7 | 10 | 1.7 | very close |
Lighter and darker in Sherwin-Williams
The Sherwin-Williams blue colors nearest to Bosporus (LRV 9) by LRV.
Lighter than Bosporus
Darker than Bosporus
Color data
| Brand | Sherwin-Williams |
|---|---|
| Color code | SW 6503 |
| Hex | #015D75 |
| RGB | 1, 93, 117 |
| HSL | 192°, 98%, 23% |
| LRV (light reflectance value) | 9 |
| Lab L*, a*, b* | 36.2, -14.1, -20.2 |
| Undertone | Cool Blue |
| Temperature | cool |
| Color family | Blue |
Same paint, two kinds of light
Bosporus (SW 6503), published as #015D75
#005473
#2F6675
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 Bosporus (SW 6503)?
- Bosporus has an LRV of 9. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Bosporus is a very deep color.
- What is the closest match to Bosporus in another brand?
- Deep Blue Sea (Behr 540D-7) from Behr, at a deltaE of 1.3 (very close).
- Is Bosporus warm or cool?
- Sherwin-Williams lists Bosporus as cool, with a Cool Blue undertone. Its Lab b* value is -20.2; 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.