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?
The undertone of Blue Diamond 3 can be accurately described as a Blue hue, as is apparent from the color space provided. By isolating the pure hue and eliminating any tints, tones, and shades, we were able to precisely determine its undertone. This approach has proven to be more accurate than traditional methods of defining undertones on a white background, which are now considered outdated.
HEX value
HEX value:
#1C8C93
RGB code:
28, 140, 147
Is Dulux Blue Diamond 3 cool or warm?
With a hue of 184° thisBluerefers cool paint shade according to HSL (Hue, Saturation, Lightness) on the color wheel.
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.
- Cooler hues have a calm and relaxation effect
- Cool blue shades make a room feel sleek, fresh, and modern, perfect for bedrooms, bathrooms, and home offices where a sense of calm and sophistication is desired.
- Using mid-tone cool colors like soft greys and muted blues can help create a calming and modern look in rooms like home offices, bathrooms, and bedrooms. But avoid using these shades in rooms without natural light, as they may look dull.
Act like a pro: Mixing warm and cool shades is a must have to get harmonius interior. Add accents that contrast with the primary color to create visual balance. If your walls are a warm color, don’t forget to add accent in cold colors (furniture, art, décor). A good practice is too use a complementary color scheme.
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
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90GG 21/219
Proud Peacock
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10BG 22/195
Inky Pool 2
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288
Vardo
Farrow and Ball

RAL 6033
Mint turquoise
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Electric Blue
Dulux
Hawaiian Blue 4
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10BG 21/141
Teal Voyage
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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
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Turquoise Copper
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10BG 26/134
Maritime Teal
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