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Colonial Blue 1677
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, Colonial Blue sits at L* 64.9, a* -6.6, b* -14.0. Its hue angle is 245° and its chroma is 15.5, 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 7%.
LRV 35.2: mid-tone
Light Reflectance Value runs from 0 (absolute black) to 100 (perfect white). At 35.2, Colonial Blue is lighter than 39% of Benjamin Moore 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 Sherwin-Williams match to Colonial 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 | |
|---|---|---|---|---|
| Baby Blue Eyes | SW 9070 | 0.75 | Practically identical | |
| Notable Hue | SW 6521 | 2.32 | Close — difference visible side by side | |
| Favorite Jeans | SW 9147 | 2.60 | Close — difference visible side by side |
Closest Behr match to Colonial 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 | |
|---|---|---|---|---|
| Blue Cascade | UL230-17 | 1.87 | Very close | |
| Yacht Harbor | PMD-14 | 2.08 | Close — difference visible side by side | |
| Cool Dusk | 550F-4 | 2.55 | Close — difference visible side by side |
Similar Benjamin Moore colors
| Color | Code | ΔE2000 | How close | |
|---|---|---|---|---|
| Denim Wash | 838 | 2.39 | Close — difference visible side by side | |
| Labrador Blue | 1670 | 2.43 | Close — difference visible side by side | |
| Soft Jazz | 809 | 2.64 | Close — difference visible side by side | |
| Cable Knit Sweater | CSP-650 | 2.76 | Close — difference visible side by side | |
| Whipple Blue | HC-152 | 2.92 | Close — difference visible side by side | |
| Niagara Falls | 1657 | 2.92 | 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.
- Harlequin Blue 830 · lighter, LRV 38.3
- Newborn's Eyes 1663 · lighter, LRV 41.2
- Winter Lake 2129-50 · lighter, LRV 41.0
- Province Blue 2135-40 · darker, LRV 31.6
- Amsterdam AF-550 · darker, LRV 29.2
- Flower Box CSP-530 · darker, LRV 28.9
Colors that go with Colonial Blue
Color-theory pairings — the nearest Benjamin Moore color to each rotated hue, keeping the same lightness and saturation:
- Dark Buff CSP-320 · complementary (180°)
- Bracken Blue CW-600 · analogous (−30°)
- Blue Pearl 1433 · analogous (+30°)
- Mauve Mist 1264 · triadic (120°)
- Kennebunkport Green HC-123 · triadic (240°)
Colonial Blue vs popular colors
- Aegean Teal (Benjamin Moore 2136-40, ΔE 11.5) is darker (LRV 25.1 vs 35.2), more yellow/warm, more green, more muted.
- Smoke (Benjamin Moore 2122-40, ΔE 14.1) is lighter (LRV 56.4 vs 35.2), more yellow/warm, more red/pink, more muted.
- Coventry Gray (Benjamin Moore HC-169, ΔE 15.5) is lighter (LRV 48.2 vs 35.2), more yellow/warm, more red/pink, more muted.