Color

#641b25

#641b25
hex#641b25
rgbrgb(100, 27, 37)
hslhsl(352, 57%, 25%)
oklchoklch(0.344 0.104 16.8)
Closest name: Bloodlust (#6b1c1a)Relative luminance 0.0363

Colors that go with #641b25

Teal, Blue and Copper 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 →

#1b645a

#641b49 · #64361b

#25641b · #1b2564

Split-complementary

Open in tool →

#1b6436 · #1b4964

#49641b · #1b645a · #361b64

Contrast

#641b25 as textRatioAAAA largeAAAFix
Aaon white
12.17:1passpasspassPasses AAA — no fix needed.
Aaon black
1.73:1failfailfail
  • AA: use #cd4759 as the text (4.64:1)
  • AAA: use #db7b88 as the text (7.2:1)
  • AA: or shift the background to #9e9e9e (4.54:1)
  • AAA: or shift the background to #c7c7c7 (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #641b25 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

#641b25 reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #641b25
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 #641b25 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/641b25-c49c9d-62cb8a-2d231f-f1e9ee?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