ColorplanBenjamin Moore Harbor Side Blue (740) is a deep blue with a cool blue-green undertone and an LRV of 39. For trim, try Morning Sky Blue (2053-70).
Room Preview
This photo shows walls only. Photos show the color in a real room's light; your own light will change it.
Suggested trim and ceiling are Benjamin Moore whites that share this color's undertone.
Color Details
| Family | Blue |
| LRV | 38.8 (mid-tone; 0 = black, 100 = pure white) |
| HEX | #5CB5B9 |
| RGB | 92, 181, 185 |
| HSL | 183°, 40%, 54% |
About Harbor Side Blue
Harbor Side Blue (740) is a deep, medium-strength blue from Benjamin Moore that leans green. With an LRV of 39, Harbor Side Blue absorbs more light than it reflects, so it works best in rooms with good natural light or where you want a cozier feel.
North-facing light makes Harbor Side Blue read cooler and slightly darker, while warm south-facing light softens it. It's a good fit for bedrooms, offices, kitchen islands and cabinets and accent walls. Next to Peacock Blue (2049-40), it's lighter and cooler.
How Harbor Side Blue changes with the light
Harbor Side Blue has a cool undertone. North light will push it cooler and grayer, while south and west light warm it up. If your room faces north, look at it next to a warm white trim.
North-facing rooms
Harbor Side Blue has a cool undertone that north light will push cooler and grayer; warm white trim helps balance it.
East-facing rooms
Harbor Side Blue will look warmer and brighter in the morning and cooler and grayer by afternoon; check a sample at both times.
South-facing rooms
Bright south light shows Harbor Side Blue close to its true color, slightly lighter and warmer.
West-facing rooms
Harbor Side Blue looks cool in the morning and warms up in the golden late-afternoon light.
See Harbor Side Blue in real homes
Photos people have shared of Harbor Side Blue in their own rooms. Opens Instagram or Pinterest in a new tab.
Harbor Side Blue equivalents in other brands
The closest color from each brand. ΔE (“delta E”) scores how different two colors look: under 2.5 is very hard to tell apart on a wall, over 5 is clearly different.
Sherwin-Williams
Closest available · ΔE 14.7
Also close: Watery (ΔE 14.7)
Compare side by side →Farrow & Ball
Closest available · ΔE 10.5
Also close: Blue Ground (ΔE 11.0)
Compare side by side →Behr
Closest available · ΔE 12.7
Also close: Dragonfly (ΔE 13.7)
Compare side by side →Similar Benjamin Moore colors
Harbor Side Blue questions
What undertone does Harbor Side Blue have?
Harbor Side Blue has a cool blue-green undertone, so it reads as a cool color. North-facing light makes Harbor Side Blue read cooler and slightly darker, while warm south-facing light softens it.
Is Harbor Side Blue a light or dark color?
Harbor Side Blue has a light reflectance value (LRV) of 38.8 on a scale where 0 is black and 100 is pure white, which makes it a deep color. With an LRV of 39, Harbor Side Blue absorbs more light than it reflects, so it works best in rooms with good natural light or where you want a cozier feel.
What is the closest match to Harbor Side Blue in other paint brands?
Sherwin-Williams: Languid Blue SW 6226 (closest available, ΔE 14.7); Farrow & Ball: Sugar Bag Light No.29 (closest available, ΔE 10.5); Behr: Peaceful Blue S470-3 (closest available, ΔE 12.7). Matches are calculated with the CIEDE2000 color difference formula; always check a physical sample before buying.
What trim and ceiling color goes with Harbor Side Blue?
Try Morning Sky Blue (2053-70) on trim and Palest Pistachio (2122-60) on the ceiling. Both are Benjamin Moore whites that share Harbor Side Blue's undertone.
Where does Harbor Side Blue work best?
Harbor Side Blue works well in bedrooms, offices, kitchen islands and cabinets and accent walls. With an LRV of 39, Harbor Side Blue absorbs more light than it reflects, so it works best in rooms with good natural light or where you want a cozier feel.
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