Color

#2b031c

#2b031c
hex#2b031c
rgbrgb(43, 3, 28)
hslhsl(323, 87%, 9%)
oklchoklch(0.198 0.074 346.7)
Closest name: Vienna Roast (#330022)Relative luminance 0.0066

Colors that go with #2b031c

Charcoal, Crimson 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.

Real palettes that use #2b031c

Tints & shades

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

Harmonies

Complementary

Open in tool →

#032b12

#26032b · #2b0308

#1c2b03 · #031c2b

Split-complementary

Open in tool →

#082b03 · #032b26

#2b2603 · #032b12 · #03082b

Contrast

#2b031c as textRatioAAAA largeAAAFix
Aaon white
18.54:1passpasspassPasses AAA — no fix needed.
Aaon black
1.13:1failfailfail
  • AA: use #e01090 as the text (4.65:1)
  • AAA: use #f45dba as the text (7.12:1)
  • AA: or shift the background to #7d7d7d (4.5:1)
  • AAA: or shift the background to #a1a1a1 (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b031c 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

#2b031c reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b031c
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 #2b031c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b031c-c19fb0-6dcb62-2d1f22-f0e9f1?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