Anthracite Gray

The profound gray-black of anthracite, the ultimate stillness after combustion.

HEX#373F43

RGBrgb(55, 63, 67)

HSLhsl(200, 10%, 24%)

HSVhsv(200, 18%, 26%)

CMYKcmyk(18%, 6%, 0%, 74%)

HEXA#373F43FF

RGBArgba(55, 63, 67, 1)

HSLAhsla(200, 10%, 24%, 1)

OKLCHoklch(62.2%, 0.011, 228)

LCHlch(56.2%, 10.1, 223)

🎨 Color Palettes

Analogous2-3 adjacent hues (≤60°)

Triadic3 hues spaced 120° apart

Split ComplementaryMain color + colors adjacent to its complement

Complementary2 hues spaced 180° apart

Tetradic (Rectangle)4 hues forming a rectangle

MonochromaticSingle hue with varying saturation and lightness

♿ WCAG Contrast Colors

Learn More →

Aa14px Body

High Contrast Text

#CAD0D3Ratio 6.9:1AA

Suitable for body text, headings, and primary content, ensuring readability for all users

Aa14px Body

Standard Text

#A5A8B6Ratio 4.5:1AA

Suitable for regular body content, meeting WCAG AA standards

Aa14px Body

Large Text / UI Components

#8B849ARatio 3:1AA Large

Suitable for large text (≥18px bold or ≥24px), icons, UI component boundaries

Aa14px Body

Decorative / Dividers

#796371Ratio 2:1Fail

Suitable for decorative elements, dividers, non-essential text

📊 Color Scales

Online Color Picker → Gradient Generator →

Lightness VariationFixed hue and saturation, proportional lightness scaling 30%→100%

#101214

#171A1C

#1E2224

#252A2D

#292F32

#30373B

#373F43

Saturation VariationFixed hue and lightness, proportional saturation scaling 40%→100%

#3B3E40

#3A3E40

#3A3E41

#393F41

#383F42

#383F43

#373F43

Lightness + Saturation Mixed VariationSimultaneous lightness and saturation proportional scaling

#111212

#181A1B

#1F2223

#262A2B

#2A2F32

#31373A

#373F43

Hue Fine-TuningFixed saturation and lightness, stepwise hue fine-tuning ±15°

#374243

#374143

#374043

#373F43

#373E43

#373D43

#373C43

💡 Use Cases

🚗

Luxury Car Paint

The Anthracite Gray metallic paint on Mercedes-Benz and Porsche reveals a fine metallic particle luster under sunlight.

📱

Dark Mode

The base color for dark themes in apps and websites, softer and more comfortable than pure black, enhancing the nighttime browsing experience.

🔊

High-end Audio

The Anthracite Gray grille on flagship speakers from B&O and Bose turns the sound device into an elegant decorative object.

🛁

Bathroom Fixtures

Anthracite Gray faucets and showerheads, more understated and dirt-resistant than chrome, ideal for contemporary minimalist bathrooms.

📜 Origin & History

Anthracite Gray is named after anthracite, the coal with the highest carbon content. This mineral, formed during the Carboniferous period 300 million years ago, burns with almost no smoke, and its surface displays a deep gray with a metallic sheen under light—a color凝结 (condensed) from geological time.

At the peak of the 19th-century Industrial Revolution, anthracite replaced wood as the main fuel in Europe. In the luxury apartments of London and Paris, anthracite was stored in cast-iron cellars; its deep gray hue paired with metal fixtures became an epitome of Victorian industrial aesthetics.

In the mid-20th century, Anthracite Gray entered automotive design. Mercedes-Benz first launched an Anthracite Gray metallic paint on the W116 S-Class, and this dark tone, richer in layers than pure black, quickly became an iconic color for luxury sedans.

In the digital age, Anthracite Gray occupies an important place in user interface design. More eye-friendly than pure black and more premium than medium gray, it has been chosen as the standard base color for dark mode by streaming platforms like Spotify and Netflix.

🧠 Color Psychology

ProfoundThe color thickness沉积 (deposited) by geological time; gazing at it feels like traversing a tunnel through billions of years.

UltimateThe color of the mineral with the highest carbon content, symbolizing the purity after淬炼 (refinement) and the spirit of eliminating impurities to retain the essence.

StillThe color of embers after combustion is complete, conveying ultimate calmness and emotional沉淀 (settling).

LuxuriousThe御用 (preferred) color of Mercedes-Benz S-Class and high-end audio systems, interpreting低调 (understated) nobility with a non-reflective dark color.

ModernThe base color of dark mode on streaming platforms, a fundamental visual element of contemporary digital life.

MysteriousThe deep gray with a metallic微光 (glimmer) conceals the unknown, stimulating the desire to explore and discover.

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