Color

#6515ef

#6515ef
hex#6515ef
rgbrgb(101, 21, 239)
hslhsl(262, 87%, 51%)
oklchoklch(0.492 0.273 286.9)
Closest name: Electric Indigo (#6600ff)Relative luminance 0.0954

Colors that go with #6515ef

Olive Green, Charcoal and Sea 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9fef15

#1532ef · #d215ef

#ef6515 · #15ef65

Split-complementary

Open in tool →

#efd215 · #32ef15

#ef1532 · #9fef15 · #15efd2

Contrast

#6515ef as textRatioAAAA largeAAAFix
Aaon white
7.22:1passpasspassPasses AAA — no fix needed.
Aaon black
2.91:1failfailfail
  • AA: use #8b4ff3 as the text (4.51:1)
  • AAA: use #aa7ef6 as the text (7.02:1)
  • AA: or shift the background to #cfcfcf (4.64:1)
  • AAA: or shift the background to #fcfcfc (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 #6515ef 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

#6515ef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6515ef
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 #6515ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6515ef-af9cc4-dfce4e-2a1f2d-e9eaf1?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