NCS S 4550-B
| Code: | S 4550-B |
| Name: | |
| Brand: | NCS |
What color is NCS S 4550-B?
Let’s dive into a full S 4550-B paint color review. Take a look at pictures of real interiors and exteriors painted with beautiful S 4550-B. 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 4550-B 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 4550-B 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 4550-B 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 4550-B 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 4550-B 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
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What are NCS S 4550-B undertones?
The undertone of S 4550-B 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to be more accurate than traditional methods of defining undertones on a white background, which are now considered outdated.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:
#004773
RGB code:
0, 71, 115
Is NCS S 4550-B cool or warm?
With a hue of 203° thisdark bluerefers cool paint shade according to HSL (Hue, Saturation, Lightness) on the color wheel.
S 4550-B HSL code: 203, 100%, 23%
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 4550-B
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 4550-B:
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
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 4550-B with a green hue, complementary colors are those with a red hue close to 23, such as NCS and S 2030-Y60R.
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 | #004773 | |
| RGB Decimal | 0, 71, 115 | |
| RGB Percent | 0.00%, 27.84%, 45.10% | |
| HSV | Hue: 203° Saturation: 100.0% Value: 45.1% | |
| HSL | hsl(203, 100, 23) | |
| CMYK | Cyan: 100.0 Magenta: 38.26 Yellow: 0.0 Key: 54.9 | |
| YIQ | Y: 54.787 I: -56.448 Q: -1.326 | |
| XYZ | X: 5.346 Y: 5.743 Z: 17.042 | |
| CIE Lab | L:28.756 a:-1.337 b:-30.617 | |
| CIE Luv | L:28.756 u:-17.906 v:-39.59 | |
| Decimal | 18291 | |
| Hunter Lab | 23.966, -2.12, -25.385 |
Color equivalents
S 5040-R90B
NCS

Pen Friend
Dulux
SW 6804
Dignity Blue
Sherwin Williams

Oxford Blue (Weathershield)
Dulux
RAL 640-6
RAL Effect

2064-20
Patriot Blue
Benjamin Moore

RAL 5010
Gentian blue
RAL Classic

30BB 08/225
Wild Water 1
Dulux
30BB 08/263
Atlantic Surf 1
Dulux
SW 6811
Honorable Blue
Sherwin Williams

S 5540-B
NCS

SW 2940
Bridgeport
Sherwin Williams
RAL 640-M
RAL Effect

SW 6966
Blueblood
Sherwin Williams

SW 6524
Commodore
Sherwin Williams

S 4050-R80B
NCS

S 6030-R90B
NCS

43BB 09/340
Cobalt Embrace
Dulux

2063-20
Downpour Blue
Benjamin Moore

S 3560-R90B
NCS




































