RAL Classic colour fan deck

You are currently browsing RAL colour chart containing 215 classic colours.

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RAL Colour 5003

◾ Conversion chart
HEX #364962 (More info)
CMYK 70 / 30 / 10 / 80 (More info)
RGB31 56 85 (More info)
THISRAL 5003
NEXTRAL 5004
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Sapphire blue

This RAL 5003 Colour is presented to you as a part of blue hues assortment on the RAL Classic colour chart. You will notice that all of these grouped colours follow this specific designation, which is based on four-digit number in combination with the letters "RAL". This is why blue colours are sequentialy coded under 5xxxx, where 5 is a system code number (1: yellow, 2: orange, 3: red, 4: purple, 5: blue, 6: green, 7: grey, 8: brown and 9: white and black shades).

The name Sapphire blue actually serves as additional, auxiliary designation, making the colour easier to remember. This naming system also provides additonal quality assurance preventing erroneous colour assigment due to number transposition.

On this particular hue range, in addition to 'sapphire blue', you will find hand-picked colour tones selected by RAL institute design experts. This blue colour assortment holds another 24 excellent tones (making a total of 25 unique colour samples). You can click here for a list of blue hues, or open a full chart of 215 RAL Classic colours.

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RAL to CMYK conversion chart

◾ RAL 5003 to CMYK

In the CMYK colour system the RAL 5003 is composed by combining four primary tones of pigment. To achieve this exclusive "sapphire blue" colour tone, out of 100% maximum colour components, 70% cyan, 30% magenta, 10% yellow and 80% key (black) are used.
You can immediately see this result on this computer simulated CMYK diagram.
The mixture of these primary colours blends in the middle on a square space where all four different colour hue sheets overlap.

C M K Y 70% 30% 10% 80%

◾ RAL 5003 to RGB

The conversion of RAL 5003 into RGB colour space requres specific composition of red, green, and blue primary colours. To construct hue matching "sapphire blue" colour from the RAL chart as close as possible, we use the following values ranging from 0 to 255 on the RGB colour system: 31 red, 56 green and 85 blue.
The three circle RGB diagram here provides illustrative example showing how blue value stands out a bit in comparison to red and green to construct this unique tone of colour. The RAL colour equivalent emerges in the very center, where all three primary colour circles overlap and combine.

31 56 85 R G B
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Sapphire blue (RAL 5003)

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Sapphire blue (RAL 5003)

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Real life application

RAL Colour scheme generator

While colors below are auto-selected, it is still performed in a very scientific manner. You see, there is a color theory, that helps to pick visually appealing companions to each color based on their distance on the color wheel. With this in mind, we can have very satisfying results, even though our initial color spectrum is only limited to 215 colors from the original RAL Classic collection.

Complementary colours
Darker colours
Monochromatic colours
Split complementary colours
Triadic colours
Tetriadic colours

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