A complete guide to Onyx (#353935) covering color values, harmonies, shades, meaning, and practical uses across design, branding, and everyday visuals.
Onyx (#353935) is defined as a deep neutral. Its RGB value is (53, 57, 53), HSL (120°, 4%, 22%), and CMYK (7%, 0%, 7%, 78%). Flanked by Deep Green (#056608) and Kombu Green (#354230), this shade provides a distinct alternative within its hue family. Compared to Gunmetal (#353839), #353935 appears deeper, giving it a deeper and more authoritative appearance.
Harmonious matches include Gunmetal (#353839), creating a balanced aesthetic, while opposing hues may create strong visual tension. Designers often use #353935 in branding, environmental graphics, and design systems where a specific visual weight is required.

Onyx (#353935) belongs to the dark neutral range with green-gray undertones. It draws its name from the onyx gemstone, known for layered depth. This shade feels solid and weighty. As a result, Onyx (#353935) conveys permanence and structure. Symbolism associated with Onyx (#353935) includes strength and inner resilience. Ancient cultures believed onyx stone absorbed negative energy. In color psychology, Onyx (#353935) appeals to people who value emotional control and self-mastery. That association gives it a protective character. Culturally, Onyx (#353935) appears in Roman jewelry and Middle Eastern architecture. Islamic art often used dark stone tones to suggest endurance and stability. In modern branding, Onyx (#353935) signals reliability without excess. Its history reinforces its grounded reputation.
Accurate conversions of Onyx (#353935) across RGB, Hex, CMYK, HSL, and Lab ensure consistent color fidelity across digital, print, and design applications.
Detailed RGB and CMYK values of Onyx (#353935) displayed in a horizontal bar provide clear reference for digital and print color accuracy.
A full range of Onyx (#353935) variations, including tints, shades, and tones, provides highlights, depth, and subtle desaturated options for UI design.
Harmonious color schemes for Onyx (#353935) created using the color wheel ensure visually balanced palettes.
Colors adjacent on the color wheel (30° apart)
Colors opposite on the color wheel (180° apart)
Three colors using one base hue and the two hues beside its opposite
Three colors evenly spaced (120° apart)
Four colors forming a rectangle on the wheel
Four colors evenly spaced (90° apart)
Four colors formed from two base hues and the colors next to their opposites
Variations of a single hue
Luminance contrast ratios for Onyx (#353935) against standard backgrounds ensure readable, accessible text following Contrast Checker and WCAG 2.1 AA/AAA standards.
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Simulated views of Onyx (#353935) for different color vision deficiencies help identify potential confusion using the Color Blindness Simulator.
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High-resolution seamless patterns featuring Onyx (#353935) provide ready-to-use backgrounds, wallpapers, and print designs for any project.
A collection of popular icons in Onyx (#353935) offers ready-to-use visuals for interfaces, designs, and creative projects.
Real-world mockups of Onyx (#353935) showcase its versatility across fashion, interiors, branding, and product packaging.
A curated set of tools to help apply, analyze, and manage colors effectively in your projects
Frequently asked questions about Onyx (#353935) color meaning, symbolism, and applications. Click on any question to expand detailed answers.