Dulux Lost Lake / Atlantic Surf 2 / 30BB 14/242
| Code: | 30BB 14/242 |
| Name: | Lost Lake |
| Brand: | Dulux |
What color is Dulux Lost Lake?
Let’s dive into a full Lost Lake paint color review. Take a look at pictures of real interiors and exteriors painted with beautiful 30BB 14/242. 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.
Try before you buy

100% accurate
reusable paint samples
Peel, stick,
and repeat
Twice painted
with real paint
Next day
delivery
What are Dulux Lost Lake undertones?
The undertone of Lost Lake 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to be more accurate than traditional methods of defining undertones on a white background, which are now considered outdated.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:
#3A698D
RGB code:
58, 105, 141
Is Dulux Lost Lake 30BB 14/242 cool or warm?
With a hue of 206° thisdark bluerefers cool paint shade according to HSL (Hue, Saturation, Lightness) on the color wheel.
30BB 14/242 Lost Lake HSL code: 206, 42%, 39%
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 Lost Lake
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 Lost Lake:
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
30BB 14/242
Lost Lake
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 Lost Lake with a green hue, complementary colors are those with a red hue close to 26, 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 | #3A698D | |
| RGB Decimal | 58, 105, 141 | |
| RGB Percent | 22.75%, 41.18%, 55.29% | |
| HSV | Hue: 206° Saturation: 58.87% Value: 55.29% | |
| HSL | hsl(206, 42, 39) | |
| CMYK | Cyan: 58.87 Magenta: 25.53 Yellow: 0.0 Key: 44.71 | |
| YIQ | Y: 95.051 I: -39.576 Q: 1.261 | |
| XYZ | X: 11.602 Y: 12.925 Z: 27.075 | |
| CIE Lab | L:42.65 a:-4.771 b:-24.648 | |
| CIE Luv | L:42.65 u:-19.942 v:-34.712 | |
| Decimal | 3828109 | |
| Hunter Lab | 35.951, -5.308, -19.487 |
Color equivalents
RAL 5023
Distant blue
RAL Classic

RAL 5007
Brillant blue
RAL Classic

251
Woad
Little Greene

10BB 13/362
Venetian Crystal 3
Dulux
L356
Tikkurila

Regal Silk
Dulux
52BB 15/410
Sapphire Springs 3
Dulux
10BB 15/154
Niagara Blues 1
Dulux

10BB 12/310
Amazon Beat 1
Dulux
10BB 17/269
Amazon Beat 2
Dulux
30BB 18/190
Wild Water 2
Dulux

Sapphire Springs 4
Dulux
90BG 14/337
Celestial Blue 3
Dulux
RAL 5017
Traffic blue
RAL Classic

30BB 10/337
Royal Regatta 2
Dulux
RAL 5019
Capri blue
RAL Classic


