Lava Stone
Also known as: Blue Zodiac, Kachi Indigo, Marshal Blue, Madonna
With its cool undertone, Lava Stone (#3C4151) comes across as cool and professional. Designers reach for it in corporate branding and SaaS products. Lava Stone plays well with brown tones — the harmonies below show exactly which ones. It's dark enough to use for text on white backgrounds (10.16:1, passes WCAG AA).
Lava Stone color codes
- HEX
- #3C4151
- RGB
- rgb(60, 65, 81)
- RGBA
- rgba(60, 65, 81, 1)
- HSL
- hsl(226, 15%, 28%)
- HSV
- hsv(226, 26%, 32%)
- CMYK
- cmyk(26%, 20%, 0%, 68%)
- LAB
- lab(27.6 1.0 -10.4)
- OKLCH
- oklch(37.7% 0.028 271.4)
Color intelligence
Displays accurately on every screen and translates well to print.
Temperature
neutral, leaning cool
subtle blue undertone in this near-neutral
Nearest standard colors
- CSS: darkslateblue#483D8B · ΔE 14.5
- RAL 5008 — Grey blue#313C48 · ΔE 4.9 · 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 Lava Stone 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 — front door, built-ins, or one bold wall.
- Fashion: Works as a base layer or outerwear tone that lets brighter pieces do the talking.
- Branding: The safest brand-primary family there is; differentiate with an unexpected accent.
- Web & UI: Use it decoratively — dividers, chart series, illustration accents — and let neutrals carry the type.
- Fashion: One garment in this color carries an outfit; two starts to compete.
Copy as — every ecosystem
Tints, shades, and tones of Lava Stone
Tints (lighter)
Shades (darker)
Color harmonies
Palettes built from Lava Stone by rotating its hue in OKLCH space. Click any swatch to copy its hex code.
Complementary
Analogous
Triadic
Split-complementary
Tetradic
Monochromatic
Contrast & accessibility
Aa — on white
contrast 10.16:1
AA passAAA passAA large pass
Aa — on black
contrast 2.07:1
AA failAAA failAA large fail
Best text color on a Lava Stone background: #ffffff
Palettes featuring Lava Stone
Lava Stone with its complement
Soft neighbors of Lava Stone
Lava Stone triad
Similar colors
- Madonna#3F4250 · ΔE 1.2
- Inkblot#393F4B · ΔE 2.5
- Dark Crypt#3F4551 · ΔE 2.7
- Gun Powder#484753 · ΔE 4.0
- Pi#314159 · ΔE 4.6
- Shuriken#333344 · ΔE 5.2
Looking for maximum contrast instead? The complement of Lava Stone is closest to Madras.
Lava Stone FAQs
What color is Lava Stone?
Lava Stone is a dark blue with the hex code #3C4151. In HSL terms it has a hue of 226°, 15% saturation, and 28% lightness.
What is the hex code for Lava Stone?
The hex code for Lava Stone is #3C4151. In RGB it's rgb(60, 65, 81), and in CMYK it's cmyk(26%, 20%, 0%, 68%).
What colors go well with Lava Stone?
Lava Stone pairs naturally with brown tones from its complementary harmony. Its own tints and shades always work as a monochrome scheme.
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