Dulux Blue Diamond 3
| Code: | |
| Name: | Blue Diamond 3 |
| Brand: | Dulux |
What color is Dulux Blue Diamond 3?
Let’s dive into a full Blue Diamond 3 paint color review. Take a look at pictures of real interiors and exteriors painted with beautiful Blue Diamond 3. 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 Blue Diamond 3 undertones?
Blue Diamond 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:
#1C8C93
RGB code:
28, 140, 147
Is Dulux Blue Diamond 3 cool or warm?
At 184° on the HSL hue wheel, this Blue falls clearly in the cool range.
Blue Diamond 3 HSL code: 184, 68%, 34%
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 Blue Diamond 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 Blue shade looks under different lighting:


4000K
Coordinating colors.
Colors that go with Dulux Blue Diamond 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
Blue Diamond 3
Darker shades
Blue Diamond 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 Blue Diamond 3 with a green hue, complementary colors are those with a red hue close to 4, such as Dulux Pink Nevada 6 and Tempered Chocolate.
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 | #1C8C93 | |
| RGB Decimal | 28, 140, 147 | |
| RGB Percent | 10.98%, 54.90%, 57.65% | |
| HSV | Hue: 184° Saturation: 80.95% Value: 57.65% | |
| HSL | hsl(184, 68, 34) | |
| CMYK | Cyan: 80.95 Magenta: 4.76 Yellow: 0.0 Key: 42.35 | |
| YIQ | Y: 107.31 I: -68.99 Q: -21.514 | |
| XYZ | X: 15.121 Y: 21.108 Z: 30.873 | |
| CIE Lab | L:53.067 a:-26.779 b:-12.311 | |
| CIE Luv | L:53.067 u:-38.158 v:-14.26 | |
| Decimal | 1870995 | |
| Hunter Lab | 45.943, -21.653, -7.682 |
Color equivalents
L366
Tikkurila

RAL 5018
Turquoise blue
RAL Classic

16BG 24/357
Teal Touch
Dulux

90GG 21/219
Proud Peacock
Dulux

10BG 22/195
Inky Pool 2
Dulux
288
Vardo
Farrow and Ball

RAL 6033
Mint turquoise
RAL Classic

Electric Blue
Dulux
Hawaiian Blue 4
Dulux
10BG 21/141
Teal Voyage
Dulux

88GG 32/346
Crystal Surprise 1
Dulux
90GG 19/151
Sea Urchin 1
Dulux

RAL 5021
Water blue
RAL Classic

10BG 14/296
Blue Diamond 2
Dulux
70BG 25/220
Liberty Blue 2
Dulux
Turquoise Copper
Dulux
10BG 26/134
Maritime Teal
Dulux

