Color

#671d21

#671d21
hex#671d21
rgbrgb(103, 29, 33)
hslhsl(357, 56%, 26%)
oklchoklch(0.351 0.106 21.5)
Closest name: Bloodlust (#6b1c1a)Relative luminance 0.0387

Colors that go with #671d21

Teal, Blue and Copper 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 →

#1d6764

#671d46 · #673f1d

#21671d · #1d2167

Split-complementary

Open in tool →

#1d673f · #1d4667

#46671d · #1d6764 · #3f1d67

Contrast

#671d21 as textRatioAAAA largeAAAFix
Aaon white
11.83:1passpasspassPasses AAA — no fix needed.
Aaon black
1.77:1failfailfail
  • AA: use #cb484f as the text (4.58:1)
  • AAA: use #da7c80 as the text (7.18:1)
  • AA: or shift the background to #a1a1a1 (4.58:1)
  • AAA: or shift the background to #c7c7c7 (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #671d21 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

#671d21 reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #671d21
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 #671d21 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/671d21-c49f9c-62cb93-2d251f-f1e9ed?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