Home › Sherwin-Williams › Blue › Cosmos
Cosmos SW 6528
On-screen approximation from the published RGB value. Order a physical sample before you decide.
Undertone: Saturated blue (a color, not a neutral)
In CIELAB, Cosmos sits at L* 68.0, a* -3.6, b* -15.8. Its hue angle is 257° and its chroma is 16.2, so it reads as an outright blue rather than a neutral. It classifies as cool. Among Sherwin-Williams colors with a similar LRV (±5), it is warmer (more yellow) than 3%.
LRV 37.9: mid-tone
Light Reflectance Value runs from 0 (absolute black) to 100 (perfect white). At 37.9, Cosmos is lighter than 47% of Sherwin-Williams colors. Reads clearly as a color. Best in rooms with good natural light, or as an accent wall; small dark rooms may feel smaller.
Closest Benjamin Moore match to Cosmos
Ranked by CIEDE2000 color difference (ΔE) computed from published RGB values. Below 2 is hard to tell apart on the wall; above 4 is a different color.
| Color | Code | ΔE2000 | How close | |
|---|---|---|---|---|
| Harlequin Blue | 830 | 2.66 | Close — difference visible side by side | |
| Soft Jazz | 809 | 2.81 | Close — difference visible side by side | |
| Denim Wash | 838 | 3.03 | Close — difference visible side by side |
Closest Behr match to Cosmos
Ranked by CIEDE2000 color difference (ΔE) computed from published RGB values. Below 2 is hard to tell apart on the wall; above 4 is a different color. Behr does not publish LRV, so Behr values here are estimates.
| Color | Code | ΔE2000 | How close | |
|---|---|---|---|---|
| Paris | PPU14-08 | 1.64 | Very close | |
| Paris | PPU14-8 | 1.64 | Very close | |
| Colorado Springs | 570D-4 | 1.92 | Very close |
Similar Sherwin-Williams colors
| Color | Code | ΔE2000 | How close | |
|---|---|---|---|---|
| Notable Hue | SW 6521 | 2.37 | Close — difference visible side by side | |
| Celestial | SW 6808 | 3.18 | Close — difference visible side by side | |
| Solitude | SW 6535 | 4.14 | Similar, clearly different | |
| Aleutian | SW 6241 | 4.22 | Similar, clearly different | |
| Baby Blue Eyes | SW 9070 | 4.46 | Similar, clearly different | |
| Bluesy Note | SW 9064 | 4.81 | Similar, clearly different |
Lighter and darker versions
Colors from Sherwin-Williams with nearly the same hue and saturation, one step lighter or darker.
- Indulgent SW 6969 · lighter, LRV 40.8
- Respite SW 6514 · lighter, LRV 43.1
- Celestial SW 6808 · lighter, LRV 43.5
- Vesper Violet SW 6542 · darker, LRV 35.2
- Favorite Jeans SW 9147 · darker, LRV 34.6
- Baby Blue Eyes SW 9070 · darker, LRV 33.9
Colors that go with Cosmos
Sherwin-Williams's own coordinating colors for Cosmos:
- Greek Villa SW 7551
- Light French Gray SW 0055
- Rarified Air SW 6525
Color-theory pairings — the nearest Sherwin-Williams color to each rotated hue, keeping the same lightness and saturation:
- Outerbanks SW 7534 · complementary (180°)
- Open Seas SW 6500 · analogous (−30°)
- Indulgent SW 6969 · analogous (+30°)
- Rose Embroidery SW 6297 · triadic (120°)
- Nurture Green SW 6451 · triadic (240°)
Cosmos vs popular colors
- Smoke (Benjamin Moore 2122-40, ΔE 13.2) is lighter (LRV 56.4 vs 37.9), more yellow/warm, more muted.
- Coventry Gray (Benjamin Moore HC-169, ΔE 14.9) is lighter (LRV 48.2 vs 37.9), more yellow/warm, more red/pink, more muted.
- Aegean Teal (Benjamin Moore 2136-40, ΔE 15.1) is darker (LRV 25.1 vs 37.9), more yellow/warm, more green, more muted.