Mild Blue (SW 6533)
Illustrative room. Screen colors vary; test a sample before you paint.
Mild Blue (SW 6533) is a light, neutral gray from Sherwin-Williams: LRV 65, so it reflects about 65 percent of the light that hits it.
Colors that go with Mild Blue
Four Sherwin-Williams colors picked for Mild Blue by this site's color math: a trim white, a deeper gray, 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 Mild 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 | Beacon Gray | 2128-60 | 65.9 | 0.7 | indistinguishable |
| Behr | Polar Drift | PPU14-17 | 65.5 | 0.5 | indistinguishable |
| Valspar | Tinsel Beam | 4005-3A | 65 | 1.4 | very close |
| PPG Paints | Zen | 1040-1 | 68 | 1.0 | very close |
Lighter and darker in Sherwin-Williams
The Sherwin-Williams gray colors nearest to Mild Blue (LRV 65) by LRV.
Lighter than Mild Blue
Darker than Mild Blue
Color data
| Brand | Sherwin-Williams |
|---|---|
| Color code | SW 6533 |
| Hex | #CBD5DB |
| RGB | 203, 213, 219 |
| HSL | 202°, 18%, 83% |
| LRV (light reflectance value) | 65 |
| Lab L*, a*, b* | 84.7, -2.2, -4.1 |
| Undertone | Cool |
| Temperature | neutral |
| Color family | Gray |
Same paint, two kinds of light
Mild Blue (SW 6533), published as #CBD5DB
#B9CBD9
#DEDFDB
These swatches and the rooms above are a simulation, not a measurement. How the visualizer works
Similar shades from Sherwin-Williams
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Common questions
- What is the LRV of Mild Blue (SW 6533)?
- Mild Blue has an LRV of 65. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Mild Blue is a light color.
- What is the closest match to Mild Blue in another brand?
- Polar Drift (Behr PPU14-17) from Behr, at a deltaE of 0.5 (indistinguishable).
- Is Mild Blue warm or cool?
- Sherwin-Williams lists Mild Blue as neutral, with a Cool undertone. Its Lab b* value is -4.1; 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.