RAL 010 40 53
Rich Ruby
RAL 010 40 53 Rich Ruby is defined by hue 010, lightness 40, and a strong chroma of 53, delivering a bold, saturated red that commands immediate attention. It is widely specified for fire safety equipment housings, sports facility branding elements, and automotive accent panels. The combination of moderate darkness and high saturation gives this ruby red both energy and substance.
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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