RAL Classic Slate grey RAL 7015
| Code: | RAL 7015 |
| Name: | Slate grey |
| Brand: | RAL Classic |
What color is RAL Classic Slate grey?
Let’s dive into a full Slate grey paint color review. Take a look at pictures of real interiors and exteriors painted with beautiful RAL 7015. 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.
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 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:
#4F5358
RGB code:
79, 83, 88
Is RAL Classic Slate grey RAL 7015 cool or warm?
With a hue of 213°, this black leans cool, but it's 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 (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. To copy the code, just click the icon to the right of it.
| 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
Y500
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RAL 810-5
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Denim
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