Color

#500b41

#500b41
hex#500b41
rgbrgb(80, 11, 65)
hslhsl(313, 76%, 18%)
oklchoklch(0.301 0.117 338.8)
Closest name: Velvet Cosmos (#441144)Relative luminance 0.0233

Colors that go with #500b41

Crimson, Sea Green and Blue 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 →

#0b511a

#3d0b51 · #510b1f

#42510b · #0b4251

Split-complementary

Open in tool →

#1f510b · #0b513d

#513d0b · #0b511a · #0b1f51

Contrast

#500b41 as textRatioAAAA largeAAAFix
Aaon white
14.33:1passpasspassPasses AAA — no fix needed.
Aaon black
1.47:1failfailfail
  • AA: use #d31dab as the text (4.53:1)
  • AAA: use #ea62cc as the text (7.12:1)
  • AA: or shift the background to #919191 (4.55:1)
  • AAA: or shift the background to #b8b8b8 (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #500b41 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

#500b41 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #500b41
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 #500b41 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/500b41-c19fb5-7ecb62-2d1f24-efe9f1?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