RAL Design System
RAL 280 50 05 Noble Grey
#73777F
RAL 280 50 05 Noble Grey is #73777F in HEX, rgb(115, 119, 127), cmyk(9%, 6%, 0%, 50%).
RAL 280 50 05, Noble Grey, 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 #73777F, or rgb(115, 119, 127). 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.
RAL 280 50 05 Colour Codes
Paint Matches — RAL 280 50 05 across 16 brands
PPG
Favorite Flannel 10-19
Benjamin Moore
Eclipse 2132-40
Valspar
Iron Frost 4007-2B
Kilz
Old Lamppost TB-37
Dunn-Edwards
Vulcan DE6341
Vista Paint
Made in the Shade K-786
Dulux
Franz Josef Double NZ10G9
Behr
Complex Gray N140-5
Hallman-Lindsay
Dolphin Dream 521
Sherwin-Williams
Downing Slate SW2819
IKEA
IKEA154 154
RAL
Platinum Grey 7036
Farrow & Ball
De Nimes 299
Dutch Boy
Natural Gray VS-9332
Colorhouse
Wool .04 Wool-04
Kobra
Grey 42
Light Reflectance & Undertone
Light Reflectance Value (LRV)
18/100
Dark
Soaks up light and feels moody and intimate. Great for studies, dining rooms and accent walls; pair with ample lighting.
Undertone
A near-neutral with a subtle neutral violet undertone — it will pick up colour from surrounding surfaces and shift noticeably under different light.
Colour Harmonies
Complementary
Analogous
Triadic
Monochromatic
Shades & Tints
Lighter
Darker
Saturation
Similar RAL Colours
About RAL 280 50 05
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 280 50 05 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 280 50 05 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 Noble Grey equivalent across 16 brands (Benjamin Moore, Sherwin-Williams, Behr, Dulux and more), each with its code, so you can take RAL 280 50 05 straight to a can.
More
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.
Frequently Asked Questions
What colour is RAL 280 50 05?
RAL 280 50 05 is Noble Grey. On screen it is approximately #73777F (rgb 115, 119, 127).
What is RAL 280 50 05 in RGB?
RAL 280 50 05 is approximately rgb(115, 119, 127). Its HSL and CMYK values are in the colour codes above.
What paint matches RAL 280 50 05?
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 280 50 05?
RAL 280 50 05 (Noble Grey) is approximately #73777F in HEX — the standard sRGB equivalent for screen.
What is RAL 280 50 05 in CMYK?
RAL 280 50 05 converts to roughly cmyk(9%, 6%, 0%, 50%). 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.
