RAL 390-5
Deep Sienna
RAL 390-5 Deep Sienna is a dark sienna red with rich mahogany undertones from the RAL Effect 390 group. This commanding darker tone conveys strength and permanence, making it ideal for structural steelwork, industrial facility coatings, and premium exterior finishes. Its deep warmth and robust pigmentation provide excellent coverage and long-term color stability.
Color Reference
RAL Effect colors combine a base shade with a metallic or pearl variant. Base shades (-1 through -6) offer tonal gradation within a color family. The -M suffix indicates a metallic finish with shimmer and depth for architectural and automotive applications.
WCAG 2.1 AA requires 4.5:1 contrast for normal text. Results show this color as a background.
Spectrum & Perceptual Position
CIELAB is a perceptually uniform color space. Euclidean distance between two colors in this diagram closely matches human visual difference. The dot size shows your selected color; slightly larger dots are the nearest perceptual neighbors.
Build a Palette Around Deep Sienna
Palette Generator
Select a harmony type, then press Space to reroll unlocked colors.
Reference + opposite hue with tonal variations
Contrast ratios follow WCAG 2.1 guidelines. Green (≥4.5:1) passes AA for normal text. Amber (≥3:1) passes for large text only. Grey indicates low contrast.
Ready to Coat in Deep Sienna?
Get a free, no-obligation quote for your project. Upload photos, describe your parts, and we will respond within one business day.