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Solid Onyx Background #353839

Onyx

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Solid Onyx background details

With hex #353839 (rgb(53, 56, 57)), this deep, low-light neutral tone sits around 195° on the color wheel. Its muted, powdery color makes it feel grounded and modern, which is why designers reach for onyx when they need a dependable background that still has personality.

Quick specs

HEX
#353839
RGB
rgb(53, 56, 57)
HSL
hsl(195, 4%, 22%)
Readable text
#FFFFFF

background-color: #353839;

Where Onyx shines

  • Balanced UI backdrops where onyx keeps typography readable
  • Product renders or mockups that need a premium, gallery-like wall color
  • Brand palettes that mix cool and warm elements without clashing

Practical tips

  • Stick with off-white (#F5F5F5) or pure white typography for clarity (the Copy RGB/HEX buttons above make it easy to grab the exact values).
  • Use the adjustment sliders to nudge the hue when you need a complementary accent.
  • The download tool exports lossless PNG/JPEG files up to 5000×5000, so you can drop the color straight into mockups or presentations.

Download recommendations for a solid Onyx background

Wallpaper

Use a solid onyx background when you want a darker wallpaper, a clean monitor backdrop, or a low-glare screen for focused work. Choose 3840x2160 for 4K monitors, 1920x1080 for HD screens, or 1080x1920 for phone wallpaper.

Design work

onyx is easy to pair with brand colors because it lets typography, screenshots, and product photos carry the attention. Keep the HEX, RGB, and HSL values together when moving this background between design tools and code.

Readable screens

For on-screen text, pair onyx with white or off-white copy and keep small labels slightly bolder for comfortable contrast. Use fullscreen mode above to check the solid onyx background on your actual display.

Related shades

Gunmetal
#2C3539
Charcoal
#36454F
Dark Slate Gray
#2F4F4F

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Collections with Onyx

Black BackgroundsDownload solid black backgrounds and near-black wallpapers as free PNG files. Get pure black, charcoal, onyx, and exact color codes.

Color story & pairings

Onyx fits minimalist branding, calm product mockups, and spa-inspired interiors. It gives layouts a quiet base without pulling attention away from the subject.

Looking for a solid onyx background or a downloadable onyx wallpaper? The instant preview, copy-ready HEX/RGB codes, and high-resolution exports above make it easy to grab the exact shade and drop it straight into your project.

Try pairing it with ivory black, taupe or jet black for palettes that feel intentional on screen and in exports.

Onyx background FAQs

Can I download a solid Onyx background?

Yes. This solid onyx background is available as free PNG and JPEG downloads for HD desktop, 4K, phone, square, and custom sizes.

What is the HEX code for Onyx?

Onyx uses HEX #353839 and rgb(53, 56, 57). You can copy both values from this page or adjust the shade before exporting a background image.

Is Onyx better for phone or desktop wallpaper?

Onyx is especially useful for desktop wallpapers, OLED-friendly screens, presentation backdrops, and low-distraction setups. The phone preset also works well for a darker lock screen.

Pro tip: toggle theatre or fullscreen mode to see onyx fill your entire display. It’s perfect for ambient lighting, palette testing, or quick product shots when you need a clean, solid background.