Color

#641fef

#641fef
hex#641fef
rgbrgb(100, 31, 239)
hslhsl(260, 87%, 53%)
oklchoklch(0.497 0.269 286.2)
Closest name: Electric Indigo (#6600ff)Relative luminance 0.0992

Colors that go with #641fef

Charcoal, Royal Blue and Cobalt 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 →

#aaef1f

#1f42ef · #cd1fef

#ef641f · #1fef64

Split-complementary

Open in tool →

#efcd1f · #42ef1f

#ef1f42 · #aaef1f · #1fefcd

Contrast

#641fef as textRatioAAAA largeAAAFix
Aaon white
7.04:1passpasspassPasses AAA — no fix needed.
Aaon black
2.98:1failfailfail
  • AA: use #8953f3 as the text (4.6:1)
  • AAA: use #a983f6 as the text (7.26:1)
  • AA: or shift the background to #cfcfcf (4.52:1)
  • AAA: or shift the background to #ffffff (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 #641fef 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

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

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

tool url/palettes/new/641fef-ae9cc4-dfc94e-2a1f2d-e9ebf1?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