Color

#43181e

#43181e
hex#43181e
rgbrgb(67, 24, 30)
hslhsl(352, 47%, 18%)
oklchoklch(0.277 0.067 14)
Closest name: Black-Hearted (#3e1825)Relative luminance 0.0194

Colors that go with #43181e

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 →

#18433e

#431834 · #432818

#1e4318 · #181e43

Split-complementary

Open in tool →

#184328 · #183443

#344318 · #18433e · #281843

Contrast

#43181e as textRatioAAAA largeAAAFix
Aaon white
15.13:1passpasspassPasses AAA — no fix needed.
Aaon black
1.39:1failfailfail
  • AA: use #c15361 as the text (4.68:1)
  • AAA: use #d1808a as the text (7.17:1)
  • AA: or shift the background to #8f8f8f (4.68:1)
  • AAA: or shift the background to #b3b3b3 (7.22:1)

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

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/43181e-c49c9d-62cb8a-2d231f-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