Color

#3b271b

#3b271b
hex#3b271b
rgbrgb(59, 39, 27)
hslhsl(23, 37%, 17%)
oklchoklch(0.294 0.037 51.8)
Closest name: Ethereal Espresso (#3e2723)Relative luminance 0.0246

Colors that go with #3b271b

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 #3b271b

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1b2f3b

#3b1b1f · #3b381b

#1b3b28 · #281b3b

Split-complementary

Open in tool →

#1b3b38 · #1b1f3b

#1f3b1b · #1b2f3b · #381b3b

Contrast

#3b271b as textRatioAAAA largeAAAFix
Aaon white
14.08:1passpasspassPasses AAA — no fix needed.
Aaon black
1.49:1failfailfail
  • AA: use #9d6948 as the text (4.55:1)
  • AAA: use #bc8b6c as the text (7.05:1)
  • AA: or shift the background to #949494 (4.64:1)
  • AAA: or shift the background to #b8b8b8 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3b271b as the background.

Brands using this color

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

Palettes built around it

Fonts for this mood

#3b271b reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3b271b
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 #3b271b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3b271b-c4b09c-62cbc0-2d2b1f-f1e9ea?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