NCS S 5540-B40G
| Code: | S 5540-B40G |
| Name: | |
| Brand: | NCS |
What color is NCS S 5540-B40G?
Let’s dive into a full S 5540-B40G paint color review. Take a look at pictures of real interiors and exteriors painted with beautiful S 5540-B40G. 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.
S 5540-B40G for bedroom
We’ve hand-picked a beautiful collection of photos of this amazing Beige shade used in real bedrooms. Take a look and imagine how this wonderful cool Dark paint color could transform your own bedroom space.
S 5540-B40G for living room
Check out this stunning Dark color used in real living rooms. Explore how this Blue shade can create a unique space
NCS S 5540-B40G for bathroom
Looking for inspiration for your dream bathroom renovation project? These beautiful handpicked photos will show you this delightfully cool Dark real bathrooms.
NCS S 5540-B40G on kitchen cabinets
Want a stylish kitchen? View real-life photo examples of this fascinating cool hue is paired with backsplashes, countertops, and hardware.
NCS S 5540-B40G reviews
View the photos of real spaces painted with this that were not included in specific categories.Close-ups, painted furniture, storages and dressers, hallways, stairs and ceilings.
Try before you buy

100% accurate
reusable paint samples
Peel, stick,
and repeat
Twice painted
with real paint
Next day
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What are NCS S 5540-B40G undertones?
The undertone of S 5540-B40G 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to be more accurate than traditional methods of defining undertones on a white background, which are now considered outdated.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:
#014C51
RGB code:
1, 76, 81
Is NCS S 5540-B40G cool or warm?
With a hue of 184° thisdark bluerefers cool paint shade according to HSL (Hue, Saturation, Lightness) on the color wheel.
S 5540-B40G HSL code: 184, 98%, 16%
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 blue shades make a room feel sleek, fresh, and modern, perfect for bedrooms, bathrooms, and home offices where a sense of calm and sophistication is desired.
- 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 S 5540-B40G
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 NCS S 5540-B40G:
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
Darker shades
S 5540-B40G
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 S 5540-B40G with a green hue, complementary colors are those with a red hue close to 4, such as NCS and S 3560-Y80R.
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 | #014c51 | |
| RGB Decimal | 1, 76, 81 | |
| RGB Percent | 0.39%, 29.80%, 31.76% | |
| HSV | Hue: 184° Saturation: 98.77% Value: 31.76% | |
| HSL | hsl(184, 98, 16) | |
| CMYK | Cyan: 98.77 Magenta: 6.17 Yellow: 0.0 Key: 68.24 | |
| YIQ | Y: 54.145 I: -46.299 Q: -14.309 | |
| XYZ | X: 4.081 Y: 5.769 Z: 8.681 | |
| CIE Lab | L:28.822 a:-18.108 b:-8.8 | |
| CIE Luv | L:28.822 u:-21.692 v:-8.719 | |
| Decimal | 85073 | |
| Hunter Lab | 24.018, -11.7, -4.616 |
Color equivalents
S 6030-B30G
NCS

S 5540-B50G
NCS

Teal Velvet
Dulux
2056-10
Tucson Teal
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S 6030-B50G
NCS

2054-20
Beau Green
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S 5540-B30G
NCS

RAL 710-6
RAL Effect

S 6530-B30G
NCS

SW 0064
Blue Peacock
Sherwin Williams

735
Deep Sea Green
Benjamin Moore
RAL 690-5
RAL Effect

S 7020-B50G
NCS

RAL 6004
Blue green
RAL Classic

2053-10
Mallard Green
Benjamin Moore

S 6530-B50G
NCS

2048-10
Sherwood Forest
Benjamin Moore

2054-10
Bavarian Forest
Benjamin Moore

SW 2937
Tabriz Teal
Sherwin Williams
CSP-720
Dark Harbor
Benjamin Moore




































