Color spec
| Brand | Sherwin-Williams |
| Name | Cosmos |
| SKU | SW 6528 |
| Hex | #8EA9C2 |
| RGB | 142, 169, 194 |
| HSL | 209°, 30%, 66% |
| LRV | 38 |
| Undertone | cool blue tone |
| Family | Blue |
About Sherwin-Williams Cosmos
Cosmos sits in the mid-range at LRV 38, so it shifts visibly through the day — lighter and more open in morning light, deeper and moodier after dark. Its blue undertone is the part to watch: it gets picked up by whatever sits next to it, so test it against your trim, floor and the room's main light before committing. South-facing rooms will pull it lighter and warmer, while north light cools it down.
Cosmos is versatile enough for full rooms but has enough depth to anchor a space, so it suits living rooms, bedrooms and cabinetry alike. Blues calm a room, which makes them popular in bedrooms, bathrooms and home offices.
Closest matches by brand
13 brands within ΔE 5The closest matches per brand by ΔE2000, computed against each brand's full deck. Only colors within ΔE 5 (close enough to substitute on a wall) are shown — brands with no real match are left off. Tap any swatch for its full single-color spec; tap the brand title to browse all blue from that brand.
Behr
Benjamin Moore
Valspar
PPG / Glidden
Glidden
Dutch Boy
HGTV Home by Sherwin-Williams
Dunn-Edwards
Farrow & Ball
Diamond Vogel
Hirshfield's
C2 Paint
Kompozit
Similar Sherwin-Williams colors
closest in the Sherwin-Williams deckThe nearest shades to Cosmos within Sherwin-Williams's own range, ranked by perceptual color distance — useful when you want the same look a touch lighter, darker, or warmer.
Coordinated palette
Generated by hue-rotating #8EA9C2 in HSL space. Pair Cosmos with one accent and one neutral — the swatches below are starting points, not final picks.
Accessibility (WCAG contrast)
WCAG 2.1: AA = 4.5:1 normal text · AA Large = 3:1 large text · AAA = 7:1 normal text.
Sherwin-Williams Cosmos Equivalents at Other Brands
Matching Cosmos from a different paint counter? Below is the single closest color in each major US deck and how close it really is. Remember that any paint store can also custom-tint Sherwin-Williams SW 6528 directly — these equivalents are for when you'd rather stay inside one brand's own deck.
Behr Equivalent of Cosmos
Behr's nearest match is Paris (PPU14-08), visually identical in normal room light (ΔE 1.5). It sits at the same lightness (LRV 37 vs 38) and carries a cool blue undertone, so it substitutes for Cosmos without repainting risk. See the full Paris swatch →
Benjamin Moore Equivalent of Cosmos
At Benjamin Moore, the closest color to Cosmos is Harlequin Blue (830) — very close at ΔE 2.66, though not an exact twin. It sits at the same lightness (LRV 38 vs 38) and carries a cool blue undertone; sample both side by side if the room gets strong natural light. See the full Harlequin Blue swatch →
Valspar Equivalent of Cosmos
Valspar's nearest match is Porcelain Vase (V109-4), visually identical in normal room light (ΔE 1.22). It sits at the same lightness (LRV 37.7 vs 38) and carries a cool blue undertone, so it substitutes for Cosmos without repainting risk. See the full Porcelain Vase swatch →
PPG / Glidden Equivalent of Cosmos
PPG / Glidden's nearest match is Kaleidoscope (PPG1160-4), visually identical in normal room light (ΔE 1.27). It sits at the same lightness (LRV 37 vs 38) and carries a cool blue undertone, so it substitutes for Cosmos without repainting risk. See the full Kaleidoscope swatch →
Glidden Equivalent of Cosmos
Glidden's nearest match is Kaleidoscope (PPG1160-4), visually identical in normal room light (ΔE 1.27). It sits at the same lightness (LRV 37 vs 38) and carries a cool blue undertone, so it substitutes for Cosmos without repainting risk. See the full Kaleidoscope swatch →
Dutch Boy Equivalent of Cosmos
The closest Dutch Boy equivalent of Cosmos is Grayed Cobalt (239-4DB). At ΔE 0 the two are indistinguishable on a wall — it carries the same cool blue undertone and sits at the same lightness (LRV 38 vs 38). If Dutch Boy is your counter, order Grayed Cobalt and you'll get the same color. See the full Grayed Cobalt swatch →
HGTV Home by Sherwin-Williams Equivalent of Cosmos
The closest HGTV Home by Sherwin-Williams equivalent of Cosmos is Suffolk Blue (HGSW 1385). At ΔE 0 the two are indistinguishable on a wall — it carries the same cool blue undertone and sits at the same lightness (LRV 38 vs 38). If HGTV Home by Sherwin-Williams is your counter, order Suffolk Blue and you'll get the same color. See the full Suffolk Blue swatch →
Dunn-Edwards Equivalent of Cosmos
At Dunn-Edwards, the closest color to Cosmos is Bachelor Blue (DE5878) — very close at ΔE 2.58, though not an exact twin. It runs slightly darker (LRV 36 vs 38) and carries a cool blue undertone; sample both side by side if the room gets strong natural light. See the full Bachelor Blue swatch →
Farrow & Ball Equivalent of Cosmos
Farrow & Ball has no exact twin of Cosmos. The nearest is Kittiwake (NO. 307) at ΔE 4.21 — close, but the difference shows next to trim and in side light. It runs slightly lighter (LRV 40 vs 38). Compare large swatches before substituting. See the full Kittiwake swatch →
Diamond Vogel Equivalent of Cosmos
Diamond Vogel's nearest match is John's Blue (0617), visually identical in normal room light (ΔE 1.81). It runs slightly darker (LRV 36 vs 38) and carries a cool blue undertone, so it substitutes for Cosmos without repainting risk. See the full John's Blue swatch →
Hirshfield's Equivalent of Cosmos
Hirshfield's has no exact twin of Cosmos. The nearest is Chicago Skyline (0631) at ΔE 4.81 — close, but the difference shows next to trim and in side light. It runs slightly lighter (LRV 42 vs 38). Compare large swatches before substituting. See the full Chicago Skyline swatch →
C2 Paint Equivalent of Cosmos
C2 Paint's nearest match is Linus (C2-749), visually identical in normal room light (ΔE 1.57). It runs slightly lighter (LRV 40 vs 38) and carries a cool blue undertone, so it substitutes for Cosmos without repainting risk. See the full Linus swatch →
Kompozit Equivalent of Cosmos
Kompozit has no exact twin of Cosmos. The nearest is Chicago Skyline (0631) at ΔE 4.81 — close, but the difference shows next to trim and in side light. It runs slightly lighter (LRV 40 vs 38). Compare large swatches before substituting. See the full Chicago Skyline swatch →