Dulux Cobalt Night / Black Stillness / Lights Out / 30BB 05/022
| Code: | 30BB 05/022 |
| Name: | Cobalt Night |
| Brand: | Dulux |
What color is Dulux Cobalt Night?
Let’s dive into a full Cobalt Night paint color review. Take a look at pictures of real interiors and exteriors painted with beautiful 30BB 05/022. Find out if this gorgeous cold grey 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 Cobalt Night undertones?
The undertone of Cobalt Night 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to be more accurate than traditional methods of defining undertones on a white background, which are now considered outdated.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:
#343639
RGB code:
52, 54, 57
Is Dulux Cobalt Night 30BB 05/022 cool or warm?
With a hue of 216° thisblackrefers cool paint shade according to HSL (Hue, Saturation, Lightness) on the color wheel.
30BB 05/022 Cobalt Night HSL code: 216, 5%, 21%
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 grey shades are versatile and provide a neutral canvas for your interior design. They seamlessly complement any style, whether it's Victorian, Scandinavian, or Modern.
- Dark, cool shades create a dramatic and sophisticated atmosphere, making them a great choice for bedrooms and living rooms when you want to make a bold yet calming statement. However, be cautious about using dark, cool colors in small spaces, as they can make the room feel smaller and more enclosed.
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 Cobalt Night
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 black shade looks under different lighting:


4000K
Coordinating colors.
Colors that go with Dulux Cobalt Night:
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
30BB 05/022
Cobalt Night
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 Cobalt Night with a blue hue, complementary colors are those with a orange hue close to 36, such as Dulux Chalk Blush 3 and Vintage Coins.
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 | #343639 | |
| RGB Decimal | 52, 54, 57 | |
| RGB Percent | 20.39%, 21.18%, 22.35% | |
| HSV | Hue: 216° Saturation: 8.77% Value: 22.35% | |
| HSL | hsl(216, 5, 21) | |
| CMYK | Cyan: 8.77 Magenta: 5.26 Yellow: 0.0 Key: 77.65 | |
| YIQ | Y: 53.744 I: -2.156 Q: 0.511 | |
| XYZ | X: 3.474 Y: 3.664 Z: 4.394 | |
| CIE Lab | L:22.527 a:-0.138 b:-2.174 | |
| CIE Luv | L:22.527 u:-1.117 v:-2.309 | |
| Decimal | 3421753 | |
| Hunter Lab | 19.141, -1.103, -0.212 |
Color equivalents
RAL 7021
Black grey
RAL Classic

RAL 7016
Anthracite grey
RAL Classic

09BB 07/008
Almost Black
Dulux
256
Pitch Black
Farrow and Ball

228
Lamp Black
Little Greene

Black
Dulux
Y498
Midnight
Tikkurila

RAL 9004
Signal black
RAL Classic

00NN 05/000
Night Jewels 1
Dulux

RAL 9011
Graphite black
RAL Classic

RAL 9017
Traffic black
RAL Classic

252
Dock Blue
Little Greene

57
Off-Black
Farrow and Ball

Sapphire Splendor
Dulux

RAL 8019
Grey brown
RAL Classic

31
Railings
Farrow and Ball

RAL 7024
Graphite grey
RAL Classic

294
Paean Black
Farrow and Ball


