Color

#2b211a

#2b211a
hex#2b211a
rgbrgb(43, 33, 26)
hslhsl(25, 25%, 14%)
oklchoklch(0.257 0.02 56.7)
Closest name: Underworld (#1e231c)Relative luminance 0.0168

Colors that go with #2b211a

Charcoal, Amber and 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 #2b211a

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1b252d

#2d1b1c · #2d2b1b

#1b2d22 · #221b2d

Split-complementary

Open in tool →

#1b2d2b · #1b1c2d

#1c2d1b · #1b252d · #2b1b2d

Contrast

#2b211a as textRatioAAAA largeAAAFix
Aaon white
15.73:1passpasspassPasses AAA — no fix needed.
Aaon black
1.34:1failfailfail
  • AA: use #8f6e56 as the text (4.53:1)
  • AAA: use #af8f79 as the text (7.03:1)
  • AA: or shift the background to #8a8a8a (4.56:1)
  • 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 #2b211a as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#2b211a reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b211a
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 #2b211a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b211a-c4b19c-62cbc4-2d2b1f-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