Dulux Royal Regatta 3 39BB 18/351
| Code: | 39BB 18/351 |
| Name: | Royal Regatta 3 |
| Brand: | Dulux |
What color is Dulux Royal Regatta 3?
Let’s dive into a full Royal Regatta 3 paint color review. Take a look at pictures of real interiors and exteriors painted with beautiful 39BB 18/351. Find out if this gorgeous cold blue paint color would look great on your living room walls or trims, kitchen cabinet, bedroom accent wall, bathroom or house exterior.
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What are Dulux Royal Regatta 3 undertones?
Royal Regatta 3 has a clear blue undertone based on its position in the color space. We identify undertones by isolating the pure hue (separating it from lightness and saturation), which avoids distortions caused by tints, tones, and shades.
This method is generally more reliable than judging undertones on a white background.
HEX value:
#2676AD
RGB code:
38, 118, 173
Is Dulux Royal Regatta 3 39BB 18/351 cool or warm?
At 204° on the HSL hue wheel, this dark blue falls clearly in the cool range.
39BB 18/351 Royal Regatta 3 HSL code: 204, 64%, 41%
Hue - degree on a color wheel from 0 to 360. 0 is red, 120 is green, and 240 is blue.
Saturation is expressed as a percentage. At 0%, it appears as a shade of grey, and at 100%, it is in full color.
Lightness is also a percentage value. 0% is black, and 100% is white.
How light temperature affects Royal Regatta 3
Natural Lighting. During the day, natural light shifts from about 2000 K at sunrise/sunset to 5500–6500 K at noon.
In addition, natural‑light temperature depends on its direction:
| Direction of sunlight | Visible temp. | Hue | Duration |
|---|---|---|---|
| North | Cool | Bluish | All day |
| East | Warm | Yellow | Before noon |
| West | Warm | Orange‑red | After noon |
| South | Warm | Orange‑yellow | All day |
Artificial Lighting. When choosing bulbs, pay attention to their color‑temperature (Kelvins).
Use the slider to see how this dark blue shade looks under different lighting:


4000K
Coordinating colors.
Colors that go with Dulux Royal Regatta 3:
Monochromatic color scheme
This scheme consists of various shades, tints, and tones of a single color. While it offers a perfect combination of hues, without accent décor it may become monotonous.
Lighter shades
39BB 18/351
Royal Regatta 3
Darker shades
39BB 18/351
Royal Regatta 3
Complementary color scheme
This color scheme is a combination of two shades that are opposite each other on the color wheel. The high contrast between these colors creates a vibrant and dynamic visual effect. For the color Royal Regatta 3 with a green hue, complementary colors are those with a red hue close to 24, such as Dulux Nutmeg Cluster 2 and Nutmeg Cluster 5.
Color codes
We have collected almost every possible color code you could ever need. To copy the code, just click the icon to the right of it.
| Format | Code | |
|---|---|---|
| HEX | #2676AD | |
| RGB Decimal | 38, 118, 173 | |
| RGB Percent | 14.90%, 46.27%, 67.84% | |
| HSV | Hue: 204° Saturation: 78.03% Value: 67.84% | |
| HSL | hsl(204, 64, 41) | |
| CMYK | Cyan: 78.03 Magenta: 31.79 Yellow: 0.0 Key: 32.16 | |
| YIQ | Y: 100.35 I: -65.346 Q: 0.193 | |
| XYZ | X: 14.817 Y: 16.384 Z: 41.905 | |
| CIE Lab | L:47.475 a:-4.498 b:-36.04 | |
| CIE Luv | L:47.475 u:-27.41 v:-53.456 | |
| Decimal | 2520749 | |
| Hunter Lab | 40.477, -5.494, -33.048 |
Color equivalents
RAL 5015
Sky blue
RAL Classic

10BB 17/269
Amazon Beat 2
Dulux
27BB 21/366
Free Dive
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Regal Silk
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45BB 22/347
Blue Seduction 1
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L356
Tikkurila

Electric Storm
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10BB 13/362
Venetian Crystal 3
Dulux
52BB 15/410
Sapphire Springs 3
Dulux
Sapphire Springs 4
Dulux
30BB 14/242
Lost Lake
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Azure Fusion 3
Dulux
90BG 14/337
Celestial Blue 3
Dulux
31BB 23/340
Royal Regatta 4
Dulux
RAL 5023
Distant blue
RAL Classic

30BB 18/190
Wild Water 2
Dulux

10BB 22/318
Venetian Crystal 4
Dulux
K431
Tikkurila

