Dulux Martian Skies 1 91BB 07/263
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| Code: | 91BB 07/263 |
| Name: | Martian Skies 1 |
| Brand: | Dulux |
What color is Dulux Martian Skies 1?
Dulux Martian Skies 1 91BB 07/263 is a deep, muted blue with a clear cool cast and a slightly softened, inky character. Its low brightness gives walls a grounded look, while daylight brings out the blue more clearly than it does in the evening. Use Martian Skies 1 in a study, dining room, or bedroom where a darker backdrop can add definition without reading as pure navy. It suits full walls in well-lit rooms, but also makes a strong choice for cabinetry, internal doors, or a fireplace surround. Pair it with chalky off-whites, pale grey-blue tones, natural oak, and brushed brass for contrast that keeps the scheme warm enough to feel lived-in.
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What are Dulux Martian Skies 1 undertones?
Martian Skies 1 is a deep, soft navy blue. The HEX sample leans blue; this describes its measurable digital hue direction, not a hidden paint pigment. Warm bulbs may gray the color down, while cool daylight usually makes its blue or teal direction clearer.
HEX value:
RGB code:
51, 61, 107
Is Dulux Martian Skies 1 cool or warm?
With a hue of 229°, this dark blue reads cool based on its HSL hue position.
91BB 07/263 Martian Skies 1 HSL code: 229, 35%, 31%
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 Martian Skies 1
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 dark blue shade looks under different lighting:


4000K
Coordinating colors.
Colors that go with Dulux Martian Skies 1:
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
91BB 07/263
Martian Skies 1
Darker shades
91BB 07/263
Martian Skies 1
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 Martian Skies 1 with a blue hue, complementary colors are those with a orange hue close to 49, such as Dulux Nordic Bliss and Thimble Case.
91BB 07/263
Martian Skies 1
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 | #333D6B |
| RGB Decimal | 51, 61, 107 |
| RGB Percent | 20.00%, 23.92%, 41.96% |
| HSV | Hue: 229° Saturation: 52.34% Value: 41.96% |
| HSL | hsl(229, 35, 31) |
| CMYK | Cyan: 52.34 Magenta: 42.99 Yellow: 0.0 Key: 58.04 |
| YIQ | Y: 63.254 I: -20.741 Q: 12.2 |
| XYZ | X: 5.687 Y: 5.102 Z: 14.591 |
| CIE Lab | L:27.025 a:10.109 b:-28.166 |
| CIE Luv | L:27.025 u:-6.079 v:-36.491 |
| Decimal | 3358059 |
| Hunter Lab | 22.589, 5.408, -22.487 |
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