Color

#43181c

#43181c
hex#43181c
rgbrgb(67, 24, 28)
hslhsl(354, 47%, 18%)
oklchoklch(0.276 0.067 16.9)
Closest name: English Breakfast (#441111)Relative luminance 0.0193

Colors that go with #43181c

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 →

#18433f

#431832 · #432a18

#1d4318 · #181d43

Split-complementary

Open in tool →

#18432a · #183243

#324318 · #18433f · #2a1843

Contrast

#43181c as textRatioAAAA largeAAAFix
Aaon white
15.15:1passpasspassPasses AAA — no fix needed.
Aaon black
1.39:1failfailfail
  • AA: use #c1535e as the text (4.67:1)
  • AAA: use #d18088 as the text (7.15:1)
  • AA: or shift the background to #8c8c8c (4.51:1)
  • AAA: or shift the background to #b3b3b3 (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #43181c as the background.

Brands using this color

Fonts for this mood

#43181c reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #43181c
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 #43181c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/43181c-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