Color

#291f2d

#291f2d
hex#291f2d
rgbrgb(41, 31, 45)
hslhsl(283, 18%, 15%)
oklchoklch(0.257 0.029 316.2)
Closest name: Black Velvet (#222233)Relative luminance 0.0164

Tints & shades

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

Harmonies

Complementary

Open in tool →

#232d1f

#221f2d · #2d1f2a

#2d291f · #1f2d29

Split-complementary

Open in tool →

#2a2d1f · #1f2d22

#2d221f · #232d1f · #1f2a2d

Contrast

#291f2d as textRatioAAAA largeAAAFix
Aaon white
15.81:1passpasspassPasses AAA — no fix needed.
Aaon black
1.33:1failfailfail
  • AA: use #896996 as the text (4.52:1)
  • AAA: use #a68db0 as the text (7.06:1)
  • AA: or shift the background to #8a8a8a (4.58:1)
  • AAA: or shift the background to #adadad (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 #291f2d 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

#291f2d reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #291f2d
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #291f2d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/291f2d-bb9fc1-b2cb62-2d1f2b-ebe9f1?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