Sherwin Williams Secure Blue SW 6508
| Official page: | Secure Blue SW 6508 |
| Code: | SW 6508 |
| Name: | Secure Blue |
| Brand: | Sherwin Williams |
What color is Sherwin Williams Secure Blue?
Looking for a serene and calming hue for your space? Consider incorporating Secure Blue (SW 6508) by Sherwin Williams into your interior design. This rich and sophisticated shade pairs beautifully with crisp whites, warm neutrals, and soft greys to create a harmonious color palette. Whether you're looking to add a touch of elegance to your living room or create a tranquil bedroom retreat, Secure Blue (SW 6508) is a versatile choice that complements a wide range of decor styles. Embrace the soothing vibe of this timeless color and transform your space into a sanctuary of relaxation and refinement.
Sherwin Williams Secure Blue reviews (4 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 Sherwin Williams Secure Blue undertones?
Secure Blue 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:
#5389A1
RGB code:
83, 137, 161
Is Sherwin Williams Secure Blue SW 6508 cool or warm?
At 198° on the HSL hue wheel, this dark blue falls clearly in the cool range.
SW 6508 Secure Blue HSL code: 198, 32%, 48%
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 Secure Blue
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 Sherwin Williams Secure Blue:
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
SW 6508
Secure Blue
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 Secure Blue with a green hue, complementary colors are those with a red hue close to 18, such as Sherwin Williams Mauve Tinge and Studio Mauve.
LRV of Secure Blue
Secure Blue has an LRV of 22.38% and refers to Medium colors that reflect a lot of light. Why LRV is important?
Light Reflectance Value measures the amount of visible and usable light that reflects from a painted surface.
Simply put, the higher the LRV of a paint color, the brighter the room you will get.
The scale goes from 0% (absolute black, absorbing all light) to 100% (pure white, reflecting all light).
Act like a pro: When choosing paint with an LRV of 22.38%, pay attention to your bulbs' brightness. Light brightness is measured in lumens. The lower the paint's LRV, the higher lumen level you need. Every square foot of room needs at least 40 lumens. That means for a 200 ft2 living room you’ll need about 8000 lumens of light – e.g., eight 1000 lm bulbs.
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 | #5389a1 | |
| RGB Decimal | 83, 137, 161 | |
| RGB Percent | 32.55%, 53.73%, 63.14% | |
| HSV | Hue: 198° Saturation: 48.45% Value: 63.14% | |
| HSL | hsl(198, 32, 48) | |
| CMYK | Cyan: 48.45 Magenta: 14.91 Yellow: 0.0 Key: 36.86 | |
| YIQ | Y: 123.59 I: -39.891 Q: -3.954 | |
| XYZ | X: 18.943 Y: 22.302 Z: 37.015 | |
| CIE Lab | L:54.346 a:-11.154 b:-18.298 | |
| CIE Luv | L:54.346 u:-24.529 v:-25.601 | |
| Decimal | 5474721 | |
| Hunter Lab | 47.225, -11.043, -13.414 |
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