Color

#3f2124

#3f2124
hex#3f2124
rgbrgb(63, 33, 36)
hslhsl(354, 31%, 19%)
oklchoklch(0.289 0.046 14)
Closest name: Aubergine (#372528)Relative luminance 0.0227

Colors that go with #3f2124

Charcoal, Sea Green and Sienna 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#213f3c

#3f2133 · #3f2d21

#243f21 · #21243f

Split-complementary

Open in tool →

#213f2d · #21333f

#333f21 · #213f3c · #2d213f

Contrast

#3f2124 as textRatioAAAA largeAAAFix
Aaon white
14.44:1passpasspassPasses AAA — no fix needed.
Aaon black
1.45:1failfailfail
  • AA: use #ab5f66 as the text (4.56:1)
  • AAA: use #c0878c as the text (7.09:1)
  • AA: or shift the background to #919191 (4.58:1)
  • AAA: or shift the background to #b5b5b5 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3f2124 as the background.

Brands using this color

Fonts for this mood

#3f2124 reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3f2124
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 #3f2124 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3f2124-c49d9c-62cb8e-2d241f-f1e9ee?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