What is an onyx screen?
An onyx screen is a full-display tool that fills your monitor with deep, commanding onyx (#353839)—a rich dark gray-black named after the powerful gemstone. Onyx is the velvet darkness of a moonless sky—not the void of pure black, but a darkness with depth and character.
This sophisticated hue lives in the narrow space between charcoal and black, carrying just enough warmth to feel alive while remaining profoundly dark. Named after the banded chalcedony gemstone prized since antiquity for its protective qualities, onyx embodies the same sense of strength, mystery, and refined elegance that made the stone a favorite of warriors and royalty alike.
Click the button above for a full-screen onyx display. Perfect for deep focus sessions, photography backdrops, design projects, screen testing, or creating a sophisticated dark ambiance that eliminates distractions while remaining gentler than pure black.
What does onyx do to your mood?
Onyx occupies a profound psychological space—it calms and grounds while carrying enough depth to feel protective rather than empty. Unlike pure black, which can feel absolute and final, onyx offers a softer darkness that wraps the mind in quiet focus without triggering feelings of isolation.
Emotional Associations
- Power and authority — Onyx commands respect through understated strength
- Sophistication and elegance — Conveys refined taste and premium quality
- Mystery and depth — Invites contemplation and introspection
- Protection and grounding — Creates a sense of safety and stability
- Focus and determination — Eliminates distractions and sharpens concentration
Why Onyx Enhances Concentration
Research in environmental psychology shows that very dark, low-saturation colors reduce visual stimulation, allowing the brain to focus on internal processes. Onyx's near-black quality minimizes peripheral distractions while its subtle warmth prevents the sensory deprivation that pure black can create, making it an ideal backdrop for deep work and meditation.
The Gemstone Behind the Color
Onyx is a variety of chalcedony with parallel bands of color. Ancient Greeks believed onyx was created from the fingernails of Venus, and the word itself comes from the Greek "onux" meaning fingernail or claw. Throughout history, onyx has been associated with protection, strength, and self-mastery—qualities reflected in the color's psychological impact.
What is an onyx screen used for?
Focus & Productivity
An onyx screen creates the ultimate distraction-free environment for deep work. Its dark, non-stimulating quality helps the mind settle into flow states, making it ideal for writing, coding, meditation, and any task requiring sustained concentration. Use it on secondary monitors to reduce visual noise.
Photography & Visual Content
Onyx provides an elegant, near-black backdrop for product photography and portrait work. Unlike pure black, its subtle gray undertone adds depth and dimension to images, preventing subjects from appearing to float in a void while maintaining dramatic contrast.
Ambient & Sleep Lighting
Display an onyx screen to create a near-dark environment without complete blackout. Perfect for winding down before sleep, night nursing, or maintaining minimal ambient light that won't disrupt melatonin production.
Display & Screen Testing
Use an onyx screen to test dark uniformity on monitors, detect backlight bleed on LCDs, and verify OLED pixel performance. The near-black shade reveals imperfections that pure black might mask or exaggerate.
Design & Branding
Designers use onyx as a premium dark neutral for luxury branding, high-end packaging, and sophisticated interfaces. It provides the gravitas of black with a more nuanced, contemporary feel that works beautifully in dark mode designs and editorial layouts.
Other Uses
- Video production: Cinematic dark backgrounds for interviews and product reveals
- Meditation: Non-stimulating backdrop for mindfulness and breathing exercises
- Art reference: Color matching for painting shadows and dark tones
- Eye comfort: Reduced strain during nighttime screen use compared to bright backgrounds
What is the hex code for onyx?
The hex code for onyx is #353839. Here are the complete technical specifications for our onyx screen display:
| Property | Value |
|---|---|
| Hex Color Code | #353839 |
| RGB Values | R: 53, G: 56, B: 57 |
| HSL Values | H: 195°, S: 4%, L: 22% |
| CMYK Values | C: 7%, M: 2%, Y: 0%, K: 78% |
| Color Name | Onyx |
| Color Family | Dark Gray / Near-Black |
Onyx (#353839) has nearly equal RGB values (53, 56, 57), creating an almost neutral dark gray with the slightest cool lean. The 195° hue places it in the cool gray spectrum. At just 4% saturation and 22% lightness, it achieves its characteristic deep, gemstone-like darkness—dark enough to feel powerful, yet alive enough to retain visual depth.
How is onyx different from black and other dark colors?
Onyx sits in the sophisticated space between true black and medium gray, offering a nuanced darkness that distinguishes it from its neighbors. Here's how it compares to help you choose the right dark shade:
Onyx vs. Black
Onyx (#353839): Deep dark gray with subtle cool undertone, textured and refined.
Black (#000000): Absolute absence of light, stark and total. View black screen.
Onyx vs. Charcoal
Onyx (#353839): Darker, more gemstone-like with a cooler lean.
Charcoal (#36454F): Slightly lighter with more blue, warmer industrial character. View charcoal screen.
Onyx vs. Midnight
Onyx (#353839): Neutral dark gray, almost achromatic with minimal color bias.
Midnight (#191970): Deep blue-black, distinctly colored and dramatic. View midnight screen.
Onyx vs. Slate
Onyx (#353839): Much darker, near-black territory with quiet presence.
Slate (#708090): Medium gray-blue, significantly lighter and more colorful. View slate screen.
Onyx vs. Navy
Onyx (#353839): Achromatic darkness, no discernible hue at normal viewing.
Navy (#000080): Dark blue with clear color identity, formal and maritime. View navy screen.
Frequently Asked Questions About Onyx Screen
An onyx screen is used for deep focus work, photography backgrounds, design projects, and creating sophisticated dark ambiance. Its deep gray-black quality provides visual rest and eliminates distractions, making it ideal for concentration, OLED screen testing, ambient lighting, and minimalist aesthetics.
Onyx (#353839) is a deep dark gray with a subtle cool undertone, while pure black (#000000) is the complete absence of light. Onyx retains a hint of depth and texture that pure black lacks, making it feel more natural and less stark. Onyx is softer on the eyes while still commanding the same authority and elegance.
Yes, onyx is excellent for reducing eye strain. Unlike pure black, which creates harsh contrast with surrounding elements, onyx provides a gentler dark background that reduces glare and visual fatigue during extended screen use. It is particularly effective for dark mode interfaces and nighttime viewing.
Onyx pairs beautifully with gold, silver, and white for luxurious contrast. Jewel tones like emerald, sapphire, and ruby create rich, elegant combinations. Soft grays and warm neutrals provide subtle tonal depth. For modern palettes, try onyx with blush pink, copper, or electric blue.
Explore Related Screen Colors
Looking for something different? Explore our other dark and neutral family screen colors: