RAL 180 20 25
Deep Plum
RAL 180 20 25 Deep Plum sits at hue 180, lightness 20, and chroma 25 in the RAL Design system, producing a very dark saturated red-violet that evokes the concentrated depth of overripe plums and the last glow of a winter sunset. This intense tone is favoured for theatre interior finishes, luxury packaging accents, and formal reception panelling. Its low lightness and strong chroma create a colour that reads nearly black in shadow yet reveals a warm violet-red heart under direct illumination.
Color Reference
The RAL Design system uses Hue-Lightness-Chroma (HLC) notation. Hue describes the color family (0-360°), Lightness describes brightness (0-100), and Chroma describes saturation intensity (0-100+).
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.
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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.
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