RAL Classic Slate grey RAL 7015
Contentsshow +hide -
- Slate grey for bedroom (1 photo)
- RAL Classic RAL 7015 on kitchen cabinets (5 photos)
- Slate grey for exterior (7 photos)
- RAL Classic Slate grey reviews (1 photo)
- What are RAL Classic Slate grey undertones?
- Is Slate grey RAL 7015 cool or warm?
- How light temperature affects on Slate grey
- Monochromatic color scheme
- Complementary color scheme
- Color comparison and matching
- LRV of Slate grey RAL 7015
- Color codes
- Color equivalents
| Code: | RAL 7015 |
| Name: | Slate grey |
| Brand: | RAL Classic |
What color is RAL Classic Slate grey?
RAL Classic Slate grey RAL 7015 is a deep, muted grey with a subtle blue-cool cast suggested by its #4F5358 color value. It has enough darkness to give walls, doors, or cabinetry a defined architectural presence without reading as black. In bright daylight, this shade can appear cleaner and more slate-like, while lower or warmer lighting may bring out its softened charcoal character. Use it on an exterior façade, window frames, or a study wall when a substantial neutral is needed. Pale concrete, brushed steel, white oak, and off-white trim provide clear, practical contrast beside this color.
Slate grey for bedroom
We’ve hand-picked a beautiful collection of photos of this amazing grey shade used in real bedrooms. Take a look and imagine how this wonderful cool dark paint color could transform your own bedroom space.

RAL Classic RAL 7015 on kitchen cabinets (5 photos)
Want a stylish kitchen? View real-life photo examples of this fascinating cool grey hue is paired with backsplashes, countertops, and hardware.





Slate grey for exterior (7 photos)
Looking for a fresh new look for your house exterior or starting from skretch? We’ve collected pictures of real-life homes that have been painted with this cool grey hue. Find inspiration for your house’s exterior, front doors, gates, shutters, frames or windows.







RAL Classic Slate grey reviews
View the photos of real spaces painted with this grey that were not included in specific categories. Close-ups, painted furniture, storages and dressers, hallways, stairs and ceilings.

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What are RAL Classic Slate grey undertones?
Slate grey is a deep, near-neutral charcoal gray. Its chroma is so low that assigning a specific hue-based undertone would be misleading. Because it is close to neutral, nearby surfaces and the color of the light can noticeably change how warm or cool it appears.
HEX value:
RGB code:
79, 83, 88
Is RAL Classic Slate grey cool or warm?
With a hue of 213°, this black leans cool, but it is near the neutral line and may feel warmer in certain lighting.
RAL 7015 Slate grey HSL code: 213, 5%, 33%
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 Slate grey
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 in Kelvins.
Use the slider to see how this black shade looks under different lighting:


4000K
Coordinating colors.
Colors that go with RAL Classic Slate grey:
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.
Darker shades
RAL 7015
Slate grey
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 Slate grey with a blue hue, complementary colors are those with a orange hue close to 33, such as RAL Classic Beige grey and Pearl beige.
LRV of Slate grey
Slate grey has an LRV of 11.5% and refers to Medium Dark which means that this color reflects very little light. Why LRV is important?
Light Reflectance Value measures the amount of visible and usable light that reflects from a painted surface.
Simply put, the higher the LRV of a paint color, the brighter the room you will get.
The scale goes from 0% (absolute black, absorbing all light) to 100% (pure white, reflecting all light).
Act like a pro: When choosing paint with an LRV of 11.5%, pay attention to your bulbs' brightness. Light brightness is measured in lumens. The lower the paint's LRV, the higher lumen level you need. Every square foot of room needs at least 40 lumens. That means for a 200 ft2 living room you'll need about 8000 lumens of light – e.g., eight 1000 lm bulbs.
Color codes
We have collected almost every possible color code you could ever need.
Not sure what the difference between HEX and RGB is? We break down color models in plain language. Understanding color models
| Format | Code |
|---|---|
| HEX | #4F5358 |
| RGB Decimal | 79, 83, 88 |
| RGB Percent | 30.98%, 32.55%, 34.51% |
| HSV | Hue: 213° Saturation: 10.23% Value: 34.51% |
| HSL | hsl(213, 5, 33) |
| CMYK | Cyan: 10.23 Magenta: 5.68 Yellow: 0.0 Key: 65.49 |
| YIQ | Y: 82.374 I: -3.99 Q: 0.71 |
| XYZ | X: 8.079 Y: 8.553 Z: 10.455 |
| CIE Lab | L:35.11 a:-0.461 b:-3.464 |
| CIE Luv | L:35.11 u:-2.372 v:-4.301 |
| Decimal | 5198680 |
| Hunter Lab | 29.246, -1.873, -0.724 |
Color equivalents
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