Vulcan
Also known as: Hawk’s Eye , Artist’s Charcoal , Metalise , Tribecca Corner
On screen, Vulcan registers as balanced and versatile: a rich gray at home in neutral backgrounds and minimal interfaces. Because it leans neutral, balancing it with a gray keeps a palette from feeling one-note. Accessibility-wise, it clears AA for text on white at 11.75:1.
Reference
Vulcan color codes
- HEX
- #36383C
- RGB
- rgb(54, 56, 60)
- RGBA
- rgba(54, 56, 60, 1)
- HSL
- hsl(220, 5%, 22%)
- HSV
- hsv(220, 10%, 24%)
- CMYK
- cmyk(10%, 7%, 0%, 76%)
- LAB
- lab(23.4 -0.2 -2.8)
- OKLCH
- oklch(34.0% 0.007 264.5)
Analysis
Color intelligence
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Gamut
The full range of colors a device or space can show. sRGB is the common screen gamut; Display P3 is wider. A color outside a gamut cannot be shown accurately there and must be mapped inward.Full glossary entry →Displays accurately on every screen and translates well to print.
Temperature
Undertone
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neutral, leaning cool
subtle blue undertone in this near-neutral
Nearest standard colors
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Delta E (ΔE)
A measure of how different two colors look. Below 1 the difference is invisible to almost everyone; below 2.3 most people can't tell them apart; above 10 they are clearly different colors. We use CIEDE2000, the modern standard.Full glossary entry →
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Delta E (ΔE)
A measure of how different two colors look. Below 1 the difference is invisible to almost everyone; below 2.3 most people can't tell them apart; above 10 they are clearly different colors. We use CIEDE2000, the modern standard.Full glossary entry →- CSS: darkslategray #2F4F4F · ΔE 14.0
- RAL 9004: Signal black #2E3032 · ΔE 2.9 · approximate
RAL values are widely published approximations of the physical standard. For Pantone-adjacent workflows, match by eye against a physical fan deck. Pantone's values are proprietary and device-dependent, so we don't print lookups.
Where Vulcan works
- Web & UI: Dark enough for body text and icons on white backgrounds. It passes WCAG AA as-is.
- Interiors: Strong for a whole room, excellent in doses: an accent wall, cabinetry, or a statement chair.
- Fashion: A wardrobe neutral: it anchors outfits and pairs with nearly any accent color.
- Branding: Craft and heritage material: coffee, leather goods, and premium packaging live here.
- Web & UI: A supporting-cast color for UI: chart fills, tags, and empty-state illustrations, but not text.
- Fashion: Wears best as the statement piece, a top, scarf, or shoes, against neutral basics.
Copy as: every ecosystem
Variations
Tints, shades, and tones of Vulcan
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Tint
A color mixed with white, which raises its lightness. Pink is a tint of red. Tints feel softer and more open than the base color.Full glossary entry →
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Tint
A color mixed with white, which raises its lightness. Pink is a tint of red. Tints feel softer and more open than the base color.Full glossary entry →Tints (lighter)
Shades (darker)
Harmonies
Color harmonies
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Complementary colors
Two colors opposite each other on the wheel. They create the strongest contrast and make each other look more intense, so they work best used unevenly.Full glossary entry →
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Complementary colors
Two colors opposite each other on the wheel. They create the strongest contrast and make each other look more intense, so they work best used unevenly.Full glossary entry →Palettes built from Vulcan by rotating its hue in OKLCH space. Click any swatch to copy its hex code.
Complementary
Analogous
Triadic
Split-complementary
Tetradic
Monochromatic
Accessibility
Contrast & accessibility
Aa on white
contrast 11.75:1
AA pass AAA pass AA large pass
Aa on black
contrast 1.79:1
AA fail AAA fail AA large fail
Best text color on a Vulcan background: #ffffff
Palettes
Palettes featuring Vulcan
Vulcan with its complement
Soft neighbors of Vulcan
Vulcan triad
Explore
Similar colors
- Ebony #313337 · ΔE 1.6
- Jet Black #353337 · ΔE 2.9
- Dead Pixel #3B3A3A · ΔE 2.9
- Carbon #333333 · ΔE 3.1
- Tamahagane #3B3F40 · ΔE 3.4
- Caviar #2B2C30 · ΔE 3.8
Looking for maximum contrast instead? The complement of Vulcan is closest to Kilimanjaro .
FAQ
Vulcan FAQs
What color is Vulcan?
Vulcan is a dark gray with the hex code #36383C. In HSL terms it has a hue of 220°, 5% saturation, and 22% lightness.
What is the hex code for Vulcan?
The hex code for Vulcan is #36383C. In RGB it's rgb(54, 56, 60), and in CMYK it's cmyk(10%, 7%, 0%, 76%).
What colors go well with Vulcan?
Vulcan pairs naturally with gray tones from its complementary harmony. Its own tints and shades always work as a monochrome scheme.
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