RAL Design System

RAL 240 30 35 Captain Blue

#005171

RGB 0, 81, 113 · HSL 197°, 100%, 22% · CMYK 100, 28, 0, 56

RAL 240 30 35 Captain Blue is #005171 in HEX, rgb(0, 81, 113), cmyk(100%, 28%, 0%, 56%).

RAL 240 30 35, Captain Blue, is a cool colour from the RAL Design System — the European standard used to specify exact colours for paints and coatings. Its hex value is #005171, or rgb(0, 81, 113). It's commonly specified for architecture, interiors and product design where a wide, fine-graded palette is needed. Below are its exact colour codes (HEX, RGB, CMYK, HSL), the nearest real interior paints across 16 brands so you can match it on a wall, and similar RAL shades.

HEX → RAL converter
HEX#005171
RGB0, 81, 113
HSL197°, 100%, 22%
HSV197°, 100%, 44%
CMYK100, 28, 0, 56
Decimal20849
CSS RGBrgb(0, 81, 113)
CSS HSLhsl(197, 100%, 22%)

Light Reflectance Value (LRV)

7/100

Very Dark

0 · DarkLight · 100

Absorbs almost all light — dramatic and cocooning. Needs strong artificial lighting and works best as an accent or in well-lit rooms.

Undertone

TemperatureCool MasstoneBlue UndertoneViolet

Reads as a cool blue with a violet undertone showing through, especially in daylight. Pair trim and adjacent colours to either calm or amplify that undertone.

Complementary

#005171
#702000

Analogous

#007058
#005171
#001870

Triadic

#005171
#700050
#507000

Monochromatic

#00121A
#001A24
#005171
#0087BD
#0ABAFF

Lighter

#0089C0
#22B4ED
#89CFEA

Darker

#00405A
#002C3E
#001A24

Saturation

#273F49
#005070
#005070

What is a RAL colour?

RAL is the European colour-matching standard used to specify exact colours for paints and coatings. Each code — like RAL 240 30 35 from the RAL Design System — maps to one defined colour, so a manufacturer or painter anywhere produces the identical result. It's used first and foremost on window frames, doors, façades, gates, railings and powder-coated metalwork.

Matching RAL 240 30 35 on interior walls

RAL is defined for industrial coatings, not interior wall paint — so to paint a room in this colour you match it to a real interior brand. The Paint Matches above show the nearest Captain Blue equivalent across 16 brands (Benjamin Moore, Sherwin-Williams, Behr, Dulux and more), each with its code, so you can take RAL 240 30 35 straight to a can.

Built by DSGN.HOUSE Updated 2026

Our color tools run on our own catalogue of 26,000+ real paint colors across 16 brands — Benjamin Moore, Sherwin-Williams, Behr, Dulux, RAL and more — with the color math (HSL and CIELAB matching) computed in-house, not scraped from summaries. Every color you pick maps to a real, buyable paint with its code, so what you see here you can actually take to the store. We review and update these tools and their data regularly.

Created by Denis Kataev, founder of DSGN.HOUSE — a software engineer and digital entrepreneur building professional color-design tools for everyone.

What colour is RAL 240 30 35?

RAL 240 30 35 is Captain Blue. On screen it is approximately #005171 (rgb 0, 81, 113).

What is RAL 240 30 35 in RGB?

RAL 240 30 35 is approximately rgb(0, 81, 113). Its HSL and CMYK values are in the colour codes above.

What paint matches RAL 240 30 35?

See “Paint Matches” above — it shows the nearest real paint in 16 brands (Benjamin Moore, Sherwin-Williams, Behr, Dulux and more) so you can paint a wall to match this RAL colour.

What is the HEX code for RAL 240 30 35?

RAL 240 30 35 (Captain Blue) is approximately #005171 in HEX — the standard sRGB equivalent for screen.

What is RAL 240 30 35 in CMYK?

RAL 240 30 35 converts to roughly cmyk(100%, 28%, 0%, 56%). For exact ink, confirm against a physical RAL fan deck.

Are RAL hex values exact?

They're the standard sRGB equivalent for screen. RAL is defined for physical coatings, so always confirm critical colour against a physical RAL fan deck.

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