Color

#231b06

#231b06
hex#231b06
rgbrgb(35, 27, 6)
hslhsl(43, 71%, 8%)
oklchoklch(0.226 0.037 88.7)
Closest name: Noir Mystique (#1f180a)Relative luminance 0.0115

Colors that go with #231b06

Blue Violet, Charcoal and Royal 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 #231b06

Tints & shades

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

Harmonies

Complementary

Open in tool →

#060e23

#230c06 · #1d2306

#06231b · #1b0623

Split-complementary

Open in tool →

#061d23 · #0c0623

#06230c · #060e23 · #23061d

Contrast

#231b06 as textRatioAAAA largeAAAFix
Aaon white
17.06:1passpasspassPasses AAA — no fix needed.
Aaon black
1.23:1failfailfail
  • AA: use #947119 as the text (4.64:1)
  • AAA: use #bc8f20 as the text (7.09:1)
  • AA: or shift the background to #858585 (4.62:1)
  • AAA: or shift the background to #a6a6a6 (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 #231b06 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

#231b06 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #231b06
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 #231b06 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/231b06-c4bd9c-62b2cb-2b2d1f-f1ebe9?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