Color

#3c231b

#3c231b
hex#3c231b
rgbrgb(60, 35, 27)
hslhsl(15, 38%, 17%)
oklchoklch(0.286 0.041 38.5)
Closest name: Ethereal Espresso (#3e2723)Relative luminance 0.0224

Colors that go with #3c231b

Charcoal, Sienna and Slate Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Real palettes that use #3c231b

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#1b343c

#3c1b23 · #3c341b

#1b3c23 · #231b3c

Split-complementary

Open in tool →

#1b3c34 · #1b233c

#233c1b · #1b343c · #341b3c

Contrast

#3c231b as textRatioAAAA largeAAAFix
Aaon white
14.5:1passpasspassPasses AAA — no fix needed.
Aaon black
1.45:1failfailfail
  • AA: use #a9634c as the text (4.58:1)
  • AAA: use #c18976 as the text (7.11:1)
  • AA: or shift the background to #919191 (4.6:1)
  • AAA: or shift the background to #b5b5b5 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3c231b as the background.

Brands using this color

Fonts for this mood

#3c231b reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3c231b
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #3c231b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3c231b-c4ab9c-62cbb2-2d291f-f1e9eb?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md