RAL 5003

RAL Classic Sapphire blue

RAL Classic Sapphire blue RAL 5003 paint color review

Let’s dive into a full Sapphire blue paint color review. Take a look at pictures of real interiors and exteriors painted with beautiful RAL 5003. 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.

Color code:RAL 5003
Color name: Sapphire blue
Brand:RAL Classic

Sapphire blue for bedroom

  • RAL Classic undefined RAL 5003 bedroom
    Plan Home visualization

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.

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LRV of Sapphire blue

Sapphire blue RAL 5003 has an LRV of 6.21% and refers to Dark colors which means that this color almost does not reflect light

Color paint LRV values

Light Reflectance Value measures the amount of visible and usable light that reflects from a painted surface.
Simply put, the higher LRV of paint color, the brighter room you will get.
Scale goes from 0% (absolute black, absorbing all light) to 100% (pure white, reflecting 100% of all light).

Act like a pro: Choosing paint with LRV of 6.21% be attentive to your bulbs light Brightness.Light Brightness – measured in lumens. The lower LRV of paint you have, the higher lumen level you need. Every square feet of room needs at least 40 lumens. That means for a 200 square feet living room you’ll need 8000 lumens of light. To achieve that brightness, you would require a total of 8 bulbs, 1000lm each.

What are RAL Classic Sapphire blue undertones?

Blue is RAL Classic Sapphire blue undertone color, as you can clearly see on the color field below. To determine this undertone we’ve removed all the tints, tones, shades and get HUE (pure color). Seems that undertone definition on a white sheet is already outdated and rather inaccurate


HEX value

HEX value:


RGB code:

31, 56, 85

Is RAL Classic Sapphire blue RAL 5003 cool or warm?

warm colors
Color wheel
cool colors

With a hue of 212° this Blue refers cool paint shade according to HSL (Hue, Saturation, Lightness) on the color wheel.

RAL 5003 Sapphire blue HSL code: 212, 47%, 23%

Hue - degree on a color wheel from 0 to 360. 0 is red, 120 is green, and 240 is blue.
Saturation is a percentage value. 0% is a shade of grey, and 100% is the full color.
Lightness is also a percentage value. 0% is black, and 100% is white.

  • Cool Blue shades make a room feel sleek, fresh and modern
  • Cooler hues have a calm and relaxation effect
  • Cool Blue undertones make small spaces feel more open and expansive
  • Cool paint hue are ideal for bedroom or bathroom. Be careful with deep blues and greens in bathroom, which will reflect on your skin.

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.

Coordinating colors.
Colors that go with RAL Classic Sapphire blue:

Complementary color scheme

Complementary color scheme

This color scheme is a combination of two colors that are opposite each other on the color wheel. The high contrast between these colors creates a vibrant and dynamic visual effect.

Color comparison

Sapphire blue RAL 5003 vs RAL 630-M

Wondering how these two paint colors differ? Let us help you choose the perfect paint color for your home with our comparison.

RAL Classic  Sapphire blue RAL 5003 vs RAL Effect  RAL 630-MRAL Classic  Sapphire blue RAL 5003
LRV: 6.21%
Dark color
Temperature: cold
LRV: 6.21%
Dark color
Temperature: cold

Sapphire blue RAL 5003 vs RAL 630-6

What is the difference between these two paint colors. Let’s compare to see which might be right for you.

RAL Classic  Sapphire blue RAL 5003 vs RAL Effect  RAL 630-6RAL Classic  Sapphire blue RAL 5003
LRV: 6.21%
Dark color
Temperature: cold
LRV: 6.21%
Dark color
Temperature: cold

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.

HEX#1F3855copy color code
RGB Decimal31, 56, 85copy color code
RGB Percent12.16%, 21.96%, 33.33%copy color code
HSVHue: 212° Saturation: 63.53% Value: 33.33%copy color code
HSLhsl(212, 47, 23)copy color code
CMYKCyan: 63.53 Magenta: 34.12 Yellow: 0.0 Key: 66.67copy color code
YIQY: 51.831 I: -24.216 Q: 3.736copy color code
XYZX: 3.618 Y: 3.775 Z: 9.13copy color code
CIE LabL:22.914 a:0.467 b:-20.446copy color code
CIE LuvL:22.914 u:-9.738 v:-24.019copy color code
Decimal2046037copy color code
Hunter lab19.43, -0.762, -14.259copy color code
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