Color

#911ef6

#911ef6
hex#911ef6
rgbrgb(145, 30, 246)
hslhsl(272, 92%, 54%)
oklchoklch(0.551 0.278 300.4)
Closest name: Cosmic Heart (#9601f4)Relative luminance 0.136

Colors that go with #911ef6

Olive Green, Charcoal 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 →

#83f61e

#251ef6 · #f61eee

#f6911e · #1ef691

Split-complementary

Open in tool →

#eef61e · #1ef625

#f6251e · #83f61e · #1eeef6

Contrast

#911ef6 as textRatioAAAA largeAAAFix
Aaon white
5.64:1passpassfail
  • AAA: use #7c09e1 as the text (7.04:1)
Aaon black
3.72:1failpassfail
  • AA: use #a240f7 as the text (4.61:1)
  • AAA: use #bc76f9 as the text (7.1:1)
  • AA: or shift the background to #e6e6e6 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #911ef6 as the background.

Brands using this color

Fonts for this mood

#911ef6 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #911ef6
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 #911ef6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/911ef6-b69cc4-c5cb62-2d1f2d-eae9f1?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