Color

#291c2c

#291c2c
hex#291c2c
rgbrgb(41, 28, 44)
hslhsl(289, 22%, 14%)
oklchoklch(0.25 0.035 319.9)
Closest name: Black Velvet (#222233)Relative luminance 0.0148

Colors that go with #291c2c

Charcoal, Dark Olive Green 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1f2c1c

#211c2c · #2c1c27

#2c291c · #1c2c29

Split-complementary

Open in tool →

#272c1c · #1c2c21

#2c211c · #1f2c1c · #1c272c

Contrast

#291c2c as textRatioAAAA largeAAAFix
Aaon white
16.19:1passpasspassPasses AAA — no fix needed.
Aaon black
1.3:1failfailfail
  • AA: use #93679e as the text (4.67:1)
  • AAA: use #ae8cb5 as the text (7.22:1)
  • AA: or shift the background to #878787 (4.51:1)
  • AAA: or shift the background to #ababab (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #291c2c as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#291c2c reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #291c2c
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 #291c2c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/291c2c-be9fc1-a8cb62-2d1f2a-ece9f1?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