Color

#431309

#431309
hex#431309
rgbrgb(67, 19, 9)
hslhsl(10, 76%, 15%)
oklchoklch(0.265 0.077 33.5)
Closest name: Black Chocolate (#441100)Relative luminance 0.0168

Colors that go with #431309

Charcoal, Royal Blue and Sea 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#093a43

#43091d · #433009

#094313 · #130943

Split-complementary

Open in tool →

#094330 · #091d43

#1d4309 · #093a43 · #300943

Contrast

#431309 as textRatioAAAA largeAAAFix
Aaon white
15.72:1passpasspassPasses AAA — no fix needed.
Aaon black
1.34:1failfailfail
  • AA: use #d73c1d as the text (4.55:1)
  • AAA: use #e9755d as the text (7.17:1)
  • AA: or shift the background to #8a8a8a (4.55:1)
  • AAA: or shift the background to #adadad (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #431309 as the background.

Brands using this color

Fonts for this mood

#431309 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #431309
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 #431309 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/431309-c4a79c-62cbaa-2d281f-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