RAL 170-3
Cool Slate
RAL 170-3 Cool Slate is a mid-tone blue-grey with a balanced, neutral character from the RAL Effect 170 group. This versatile shade works effectively in industrial design, commercial facades, and modern furniture where a clean, professional appearance is needed. Its cool undertone provides a contemporary edge to any application.
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 Cool Slate
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 Cool Slate?
Get a free, no-obligation quote for your project. Upload photos, describe your parts, and we will respond within one business day.