Coal Mine
Also known as: Midnight Purple , Middle Red Purple , Poisonous Purple , Porphyrophobia
Coal Mine brings a imaginative and refined feel to a palette. This deep purple suits premium packaging and fantasy themes. Its complement lands in black territory, which makes for striking two-color pairings. It's dark enough to use for text on white backgrounds (18.82:1, passes WCAG AA).
Reference
Coal Mine color codes
- HEX
- #220033
- RGB
- rgb(34, 0, 51)
- RGBA
- rgba(34, 0, 51, 1)
- HSL
- hsl(280, 100%, 10%)
- HSV
- hsv(280, 100%, 20%)
- CMYK
- cmyk(33%, 100%, 0%, 80%)
- LAB
- lab(5.0 24.3 -25.1)
- OKLCH
- oklch(19.3% 0.097 311.2)
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
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: midnightblue #191970 · ΔE 13.1
- RAL 5022: Night blue #2F2A5A · ΔE 12.2 · 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 Coal Mine works
- Web & UI: Use it directly for text on light surfaces; it clears AA contrast without adjustment.
- Interiors: Use it where you want the eye to land: a front door, built-ins, or one bold wall.
- Fashion: One garment in this color carries an outfit; two starts to compete.
- Branding: Signals imagination and indulgence. Strong for beauty and creative-market brands.
- Web & UI: Use it decoratively for dividers, chart series, and illustration accents, and let neutrals carry the type.
- Branding: Best in a brand's supporting palette: packaging interiors, patterns, campaign accents.
Copy as: every ecosystem
Variations
Tints, shades, and tones of Coal Mine
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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 Coal Mine 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 18.82:1
AA pass AAA pass AA large pass
Aa on black
contrast 1.12:1
AA fail AAA fail AA large fail
Best text color on a Coal Mine background: #ffffff
Palettes
Palettes featuring Coal Mine
Coal Mine with its complement
Soft neighbors of Coal Mine
Coal Mine triad
Explore
Similar colors
- Dark Purple #35063E · ΔE 4.3
- Eggplant #430541 · ΔE 7.5
- Clairvoyant #480656 · ΔE 8.8
- Storm #000B44 · ΔE 9.0
- Azulado #211D49 · ΔE 9.0
- Voldemort #2D135F · ΔE 9.0
Looking for maximum contrast instead? The complement of Coal Mine is closest to Nightmare .
FAQ
Coal Mine FAQs
What color is Coal Mine?
Coal Mine is a dark purple with the hex code #220033. In HSL terms it has a hue of 280°, 100% saturation, and 10% lightness.
What is the hex code for Coal Mine?
The hex code for Coal Mine is #220033. In RGB it's rgb(34, 0, 51), and in CMYK it's cmyk(33%, 100%, 0%, 80%).
What colors go well with Coal Mine?
Coal Mine pairs naturally with black tones from its complementary harmony. Its own tints and shades always work as a monochrome scheme.
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