Color

#3d1810

#3d1810
hex#3d1810
rgbrgb(61, 24, 16)
hslhsl(11, 58%, 15%)
oklchoklch(0.263 0.06 33.6)
Closest name: English Breakfast (#441111)Relative luminance 0.0168

Colors that go with #3d1810

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 →

#10343c

#3c101e · #3c2e10

#103c18 · #18103c

Split-complementary

Open in tool →

#103c2e · #101e3c

#1e3c10 · #10343c · #2e103c

Contrast

#3d1810 as textRatioAAAA largeAAAFix
Aaon white
15.71:1passpasspassPasses AAA — no fix needed.
Aaon black
1.34:1failfailfail
  • AA: use #c54f34 as the text (4.54:1)
  • AAA: use #d77e6a as the text (7.08:1)
  • AA: or shift the background to #8a8a8a (4.55:1)
  • AAA: or shift the background to #adadad (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 #3d1810 as the background.

Brands using this color

Fonts for this mood

#3d1810 reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3d1810
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 #3d1810 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d1810-c4a89c-62cbab-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