Color

#6b243b

#6b243b
hex#6b243b
rgbrgb(107, 36, 59)
hslhsl(341, 50%, 28%)
oklchoklch(0.374 0.103 3.5)
Closest name: Arcane Red (#6a2f2f)Relative luminance 0.047

Colors that go with #6b243b

Teal, Crimson and Sage Green 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 #6b243b

Tints & shades

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

Harmonies

Complementary

Open in tool →

#246b54

#6b245e · #6b3124

#3a6b24 · #243a6b

Split-complementary

Open in tool →

#246b31 · #245e6b

#5e6b24 · #246b54 · #31246b

Contrast

#6b243b as textRatioAAAA largeAAAFix
Aaon white
10.82:1passpasspassPasses AAA — no fix needed.
Aaon black
1.94:1failfailfail
  • AA: use #c34b71 as the text (4.57:1)
  • AAA: use #d47d98 as the text (7.19:1)
  • AA: or shift the background to #a8a8a8 (4.55:1)
  • AAA: or shift the background to #d1d1d1 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6b243b as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#6b243b reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6b243b
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 #6b243b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6b243b-c49ca4-62cb77-2d211f-f1e9ef?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