Dulux Indigo Shade 10BB 09/155
| Code: | 10BB 09/155 |
| Name: | Indigo Shade |
| Brand: | Dulux |
What color is Dulux Indigo Shade?
Let’s dive into a full Indigo Shade paint color review. Take a look at pictures of real interiors and exteriors painted with beautiful 10BB 09/155. 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.
Indigo Shade for bedroom (2 photos)
We’ve hand-picked a beautiful collection of photos of this amazing blue shade used in real bedrooms. Take a look and imagine how this wonderful cool dark paint color could transform your own bedroom space.


Indigo Shade for living room (10 photos)
Check out this stunning Dark color used in real living rooms. Explore how this blue shade can create a unique space










Dulux 10BB 09/155 for bathroom (3 photos)
Looking for inspiration for your dream bathroom renovation project? These beautiful handpicked photos will show you this delightfully cool Dark blue real bathrooms.



Dulux 10BB 09/155 on kitchen cabinets (4 photos)
Want a stylish kitchen? View real-life photo examples of this fascinating cool blue hue is paired with backsplashes, countertops, and hardware.




Indigo Shade for exterior (2 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 blue hue. Find inspiration for your house’s exterior, front doors, gates, shutters, frames or windows.


Dulux Indigo Shade reviews (5 photos)
View the photos of real spaces painted with this blue that were not included in specific categories.Close-ups, painted furniture, storages and dressers, hallways, stairs and ceilings.





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What are Dulux Indigo Shade undertones?
Indigo Shade 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:
#315368
RGB code:
49, 83, 104
Is Dulux Indigo Shade 10BB 09/155 cool or warm?
At 203° on the HSL hue wheel, this dark blue falls clearly in the cool range.
10BB 09/155 Indigo Shade HSL code: 203, 36%, 30%
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 Indigo Shade
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 dark blue shade looks under different lighting:


4000K
Coordinating colors.
Colors that go with Dulux Indigo Shade:
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
10BB 09/155
Indigo Shade
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 Indigo Shade with a green hue, complementary colors are those with a red hue close to 23, such as Dulux Cocoa Blush 5 and Chalk Blush 3.
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 | #315368 | |
| RGB Decimal | 49, 83, 104 | |
| RGB Percent | 19.22%, 32.55%, 40.78% | |
| HSV | Hue: 203° Saturation: 52.88% Value: 40.78% | |
| HSL | hsl(203, 36, 30) | |
| CMYK | Cyan: 52.88 Magenta: 20.19 Yellow: 0.0 Key: 59.22 | |
| YIQ | Y: 75.228 I: -27.009 Q: -0.657 | |
| XYZ | X: 6.857 Y: 7.838 Z: 14.245 | |
| CIE Lab | L:33.644 a:-5.832 b:-15.936 | |
| CIE Luv | L:33.644 u:-14.763 v:-20.263 | |
| Decimal | 3232616 | |
| Hunter Lab | 27.997, -5.274, -10.568 |
Color equivalents
27BB 10/138
Night Seas
Dulux
M436
Royal
Tikkurila

208
Hicks' Blue
Little Greene

10BB 07/150
Venetian Crystal 1
Dulux
30BB 08/188
Royal Regatta 1
Dulux

30BB 10/112
Breton Blue
Dulux

90BG 11/101
Midnight Teal
Dulux

10BB 09/250
Venetian Crystal 2
Dulux
81BG 09/241
Celestial Blue 1
Dulux
30BB 08/225
Wild Water 1
Dulux
89BG 09/087
Ink Well
Dulux
70BG 09/171
Hawaiian Blue 1
Dulux

257
Royal Navy
Little Greene

RAL 5009
Azure blue
RAL Classic

30
Hague Blue
Farrow and Ball

N431
Tikkurila

