Color

#2b2933

#2b2933
hex#2b2933
rgbrgb(43, 41, 51)
hslhsl(252, 11%, 18%)
oklchoklch(0.287 0.018 294.4)
Closest name: Haiti (#2c2a35)Relative luminance 0.0234

Colors that go with #2b2933

Amber, Blue and Blue Violet 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#313329

#292c33 · #302933

#332b29 · #29332b

Split-complementary

Open in tool →

#333029 · #2c3329

#33292c · #313329 · #293330

Contrast

#2b2933 as textRatioAAAA largeAAAFix
Aaon white
14.31:1passpasspassPasses AAA — no fix needed.
Aaon black
1.47:1failfailfail
  • AA: use #77718e as the text (4.54:1)
  • AAA: use #9893a9 as the text (7.08:1)
  • AA: or shift the background to #919191 (4.54:1)
  • AAA: or shift the background to #b8b8b8 (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b2933 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#2b2933 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b2933
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 #2b2933 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b2933-a99cc4-dfb64e-281f2d-e9ecf1?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