Color

#420641

#420641
hex#420641
rgbrgb(66, 6, 65)
hslhsl(301, 83%, 14%)
oklchoklch(0.271 0.114 328.9)
Closest name: Velvet Cosmos (#441144)Relative luminance 0.0167

Colors that go with #420641

Charcoal, Sea Green and Amber 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 →

#064107

#250641 · #410623

#404106 · #064041

Split-complementary

Open in tool →

#234106 · #064125

#412506 · #064107 · #062341

Contrast

#420641 as textRatioAAAA largeAAAFix
Aaon white
15.74:1passpasspassPasses AAA — no fix needed.
Aaon black
1.33:1failfailfail
  • AA: use #cd13ca as the text (4.54:1)
  • AAA: use #ef52ec as the text (7.09:1)
  • AA: or shift the background to #8a8a8a (4.56:1)
  • AAA: or shift the background to #adadad (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #420641 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

#420641 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #420641
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 #420641 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/420641-c19fbc-93cb62-2d1f27-ede9f1?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