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Dusky Blue 1640
On-screen approximation from the published RGB value. Order a physical sample before you decide.
Undertone: Noticeable blue-green undertone
In CIELAB, Dusky Blue sits at L* 82.5, a* -6.1, b* -3.8. Its hue angle is 212° and its chroma is 7.2, so it leans blue-green clearly enough to notice on a full wall. It classifies as cool. Among Benjamin Moore colors with a similar LRV (±5), it is warmer (more yellow) than 14%.
LRV 60.8: light
Light Reflectance Value runs from 0 (absolute black) to 100 (perfect white). At 60.8, Dusky Blue is lighter than 66% of Benjamin Moore colors. The most forgiving range for whole-house walls. Keeps rooms bright without glare.
Closest Sherwin-Williams match to Dusky Blue
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 | |
|---|---|---|---|---|
| Little Boy Blu | SW 9054 | 2.12 | Close — difference visible side by side | |
| Sleepy Blue | SW 6225 | 2.18 | Close — difference visible side by side | |
| Balmy | SW 6512 | 2.41 | Close — difference visible side by side |
Closest Behr match to Dusky Blue
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 | |
|---|---|---|---|---|
| Cloudy Day | 540E-2 | 1.16 | Very close | |
| Wind Speed | S450-2 | 1.45 | Very close | |
| Cloudy Sky | S470-1 | 1.56 | Very close |
Similar Benjamin Moore colors
| Color | Code | ΔE2000 | How close | |
|---|---|---|---|---|
| Silvery Blue | 1647 | 1.33 | Very close | |
| Fantasy Blue | 716 | 1.36 | Very close | |
| Harbor Haze | 2136-60 | 1.77 | Very close | |
| Heaven on Earth | 1661 | 2.09 | Close — difference visible side by side | |
| Ashwood Gray | 1654 | 2.22 | Close — difference visible side by side | |
| Windy Sky | 1639 | 2.36 | Close — difference visible side by side |
Lighter and darker versions
Colors from Benjamin Moore with nearly the same hue and saturation, one step lighter or darker.
- Lavender Wash CSP-515 · lighter, LRV 64.8
- Misty Blue 820 · lighter, LRV 65.8
- Ice Sculpture CC-938 · lighter, LRV 65.8
- Heavenly Blue 709 · darker, LRV 56.5
- Porringer Gray 2121-40 · darker, LRV 56.9
- Seersucker Suit CSP-580 · darker, LRV 56.3
Colors that go with Dusky Blue
Color-theory pairings — the nearest Benjamin Moore color to each rotated hue, keeping the same lightness and saturation:
- Honey Hut 2102-60 · complementary (180°)
- Annapolis Green 687 · analogous (−30°)
- Mt. Rainier Gray 2129-60 · analogous (+30°)
- Easter Ribbon 1381 · triadic (120°)
- Sea Salt CSP-95 · triadic (240°)
Dusky Blue vs popular colors
- Smoke (Benjamin Moore 2122-40, ΔE 2.9) is darker (LRV 56.4 vs 60.8), more yellow/warm, more red/pink, more muted.
- Palladian Blue (Benjamin Moore HC-144, ΔE 5.2) is about as light, more yellow/warm.
- Gray Cashmere (Benjamin Moore 2138-60, ΔE 7.0) is lighter (LRV 64.5 vs 60.8), more yellow/warm, more red/pink, more muted.