RAL 130 20 15
Deep Midnight
RAL 130 20 15 Deep Midnight sits at hue 130, lightness 20, and chroma 15 in the RAL Design system, producing a very dark muted blue that evokes the final moments before true darkness at sea. This restrained tone is favoured for planetarium interior finishes, observatory structural panelling, and nautical heritage trim details. Its low lightness and moderate chroma create a colour that reads nearly black in shadow yet reveals a cool blue undertone under direct light.
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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