Color

#3f2018

#3f2018
hex#3f2018
rgbrgb(63, 32, 24)
hslhsl(12, 45%, 17%)
oklchoklch(0.284 0.05 35.4)
Closest name: Délicieux au Chocolat (#412010)Relative luminance 0.0216

Colors that go with #3f2018

Charcoal, Sienna and Steel Blue 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 #3f2018

Tints & shades

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

Harmonies

Complementary

Open in tool →

#18373f

#3f1824 · #3f3318

#183f20 · #20183f

Split-complementary

Open in tool →

#183f33 · #18243f

#243f18 · #18373f · #33183f

Contrast

#3f2018 as textRatioAAAA largeAAAFix
Aaon white
14.67:1passpasspassPasses AAA — no fix needed.
Aaon black
1.43:1failfailfail
  • AA: use #b55b45 as the text (4.55:1)
  • AAA: use #ca8472 as the text (7.05:1)
  • AA: or shift the background to #8f8f8f (4.54:1)
  • AAA: or shift the background to #b5b5b5 (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3f2018 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#3f2018 reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3f2018
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 #3f2018 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3f2018-c4a99c-62cbad-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