RAL 590-4
Rich Marine
RAL 590-4 Rich Marine is a deep denim blue with cool cobalt undertones from the RAL Effect 590 group. This saturated, confident shade commands attention on automotive components, machinery housings, and exterior cladding systems. Its strong nautical presence and excellent opacity make it a reliable choice for demanding applications.
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.
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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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