Color

#641c82

#641c82
hex#641c82
rgbrgb(100, 28, 130)
hslhsl(282, 65%, 31%)
oklchoklch(0.393 0.165 313.6)
Closest name: Extraviolet (#661188)Relative luminance 0.0515

Colors that go with #641c82

Forest Green, Sea Green and Olive Green 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.

Real palettes that use #641c82

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3a821c

#301c82 · #821c6e

#82641c · #1c8264

Split-complementary

Open in tool →

#6e821c · #1c8230

#82301c · #3a821c · #1c6e82

Contrast

#641c82 as textRatioAAAA largeAAAFix
Aaon white
10.34:1passpasspassPasses AAA — no fix needed.
Aaon black
2.03:1failfailfail
  • AA: use #ac46d8 as the text (4.62:1)
  • AAA: use #c378e2 as the text (7.11:1)
  • AA: or shift the background to #ababab (4.5:1)
  • AAA: or shift the background to #d6d6d6 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #641c82 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

#641c82 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #641c82
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 #641c82 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/641c82-ba9fc1-b4cb62-2d1f2b-ebe9f1?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