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Cool Blue 2058-40
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, Cool Blue sits at L* 59.6, a* -17.5, b* -22.9. Its hue angle is 233° and its chroma is 28.8, so it reads as an outright blue rather than a neutral. It classifies as cool. Among Benjamin Moore colors with a similar LRV (±5), it is warmer (more yellow) than 5%.
LRV 29.9: dark
Light Reflectance Value runs from 0 (absolute black) to 100 (perfect white). At 29.9, Cool Blue is lighter than 33% of Benjamin Moore colors. Absorbs most light. Good for accent walls, cabinets, doors and exteriors; needs good lighting indoors.
Closest Sherwin-Williams match to Cool 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 | |
|---|---|---|---|---|
| Major Blue | SW 6795 | 2.66 | Close — difference visible side by side | |
| Resonant Blue | SW 6954 | 3.47 | Close — difference visible side by side | |
| Impromptu | SW 6955 | 4.09 | Similar, clearly different |
Closest Behr match to Cool 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 | |
|---|---|---|---|---|
| North Pole Blue | M480-5A | 2.90 | Close — difference visible side by side | |
| Tropical Holiday | 530B-6 | 3.09 | Close — difference visible side by side | |
| Yucatan | P490-5 | 3.25 | Close — difference visible side by side |
Similar Benjamin Moore colors
| Color | Code | ΔE2000 | How close | |
|---|---|---|---|---|
| Dream I Can Fly | 769 | 2.64 | Close — difference visible side by side | |
| Palace Blue | CW-605 | 3.27 | Close — difference visible side by side | |
| Yosemite Blue | 2059-40 | 3.39 | Close — difference visible side by side | |
| Ash Blue | 2057-40 | 3.71 | Close — difference visible side by side | |
| Poolside | 775 | 3.86 | Close — difference visible side by side | |
| Blue Toile | 748 | 3.88 | 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.
- Palace Blue CW-605 · lighter, LRV 33.3
- I've Got the Blues 774 · lighter, LRV 35.2
- Lafayette Blue CW-610 · lighter, LRV 37.1
- Electric Blue 2061-40 · darker, LRV 27.7
- Wilmington Spruce 754 · darker, LRV 25.7
- Blue Daisy 2062-40 · darker, LRV 25.6
Colors that go with Cool Blue
Color-theory pairings — the nearest Benjamin Moore color to each rotated hue, keeping the same lightness and saturation:
- Suntan Bronze 1217 · complementary (180°)
- San Jose Blue 741 · analogous (−30°)
- Waterloo CSP-555 · analogous (+30°)
- Begonia 2083-40 · triadic (120°)
- Sycamore Tree 539 · triadic (240°)
Cool Blue vs popular colors
- Aegean Teal (Benjamin Moore 2136-40, ΔE 12.4) is darker (LRV 25.1 vs 29.9), more yellow/warm, more red/pink, more muted.
- Smoke (Benjamin Moore 2122-40, ΔE 21.5) is lighter (LRV 56.4 vs 29.9), more yellow/warm, more red/pink, more muted.
- Evergreen Fog (Sherwin-Williams SW 9130, ΔE 23.0) is about as light, more yellow/warm, more red/pink, more muted.