Color

#291000

#291000
hex#291000
rgbrgb(41, 16, 0)
hslhsl(23, 100%, 8%)
oklchoklch(0.208 0.051 55)
Closest name: Noir Mystique (#1f180a)Relative luminance 0.0084

Tints & shades

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

Harmonies

Complementary

Open in tool →

#001929

#290005 · #292400

#002910 · #100029

Split-complementary

Open in tool →

#002924 · #000529

#052900 · #001929 · #240029

Contrast

#291000 as textRatioAAAA largeAAAFix
Aaon white
17.97:1passpasspassPasses AAA — no fix needed.
Aaon black
1.17:1failfailfail
  • AA: use #cc4e00 as the text (4.66:1)
  • AAA: use #ff6505 as the text (7.12:1)
  • AA: or shift the background to #808080 (4.55:1)
  • AAA: or shift the background to #a3a3a3 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #291000 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

#291000 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #291000
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 #291000 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/291000-c4b09c-62cbc0-2d2b1f-f1e9ea?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