Color

#640c50

#640c50
hex#640c50
rgbrgb(100, 12, 80)
hslhsl(314, 79%, 22%)
oklchoklch(0.347 0.139 339.8)
Closest name: Cosmic Explorer (#551155)Relative luminance 0.0355

Colors that go with #640c50

Sea Green, Cream and Denim 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 →

#0c6420

#4d0c64 · #640c23

#50640c · #0c5064

Split-complementary

Open in tool →

#23640c · #0c644d

#644d0c · #0c6420 · #0c2364

Contrast

#640c50 as textRatioAAAA largeAAAFix
Aaon white
12.28:1passpasspassPasses AAA — no fix needed.
Aaon black
1.71:1failfailfail
  • AA: use #d719aa as the text (4.61:1)
  • AAA: use #ec5fcb as the text (7.07:1)
  • AA: or shift the background to #9e9e9e (4.58:1)
  • AAA: or shift the background to #c4c4c4 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #640c50 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

#640c50 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #640c50
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 #640c50 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/640c50-c19fb5-7ccb62-2d1f24-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