Color

#391d18

#391d18
hex#391d18
rgbrgb(57, 29, 24)
hslhsl(9, 41%, 16%)
oklchoklch(0.268 0.045 31)
Closest name: Close but No Cigar (#361d0a)Relative luminance 0.0181

Colors that go with #391d18

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 →

#18353a

#3a1824 · #3a2e18

#183a1d · #1d183a

Split-complementary

Open in tool →

#183a2e · #18243a

#243a18 · #18353a · #2e183a

Contrast

#391d18 as textRatioAAAA largeAAAFix
Aaon white
15.41:1passpasspassPasses AAA — no fix needed.
Aaon black
1.36:1failfailfail
  • AA: use #b45b4b as the text (4.54:1)
  • AAA: use #c7867a as the text (7.12:1)
  • AA: or shift the background to #8c8c8c (4.58:1)
  • AAA: or shift the background to #b0b0b0 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #391d18 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#391d18 reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #391d18
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 #391d18 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/391d18-c4a79c-62cba8-2d271f-f1e9ec?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