Color

#911cb5

#911cb5
hex#911cb5
rgbrgb(145, 28, 181)
hslhsl(286, 73%, 41%)
oklchoklch(0.497 0.224 316.1)
Closest name: Nebula (#a104c3)Relative luminance 0.1019

Colors that go with #911cb5

Forest 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.

Real palettes that use #911cb5

Tints & shades

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

Harmonies

Complementary

Open in tool →

#40b51c

#451cb5 · #b51c8c

#b5911c · #1cb591

Split-complementary

Open in tool →

#8cb51c · #1cb545

#b5451c · #40b51c · #1c8cb5

Contrast

#911cb5 as textRatioAAAA largeAAAFix
Aaon white
6.91:1passpassfail
  • AAA: use #8e1cb0 as the text (7.14:1)
Aaon black
3.04:1failpassfail
  • AA: use #b734df as the text (4.57:1)
  • AAA: use #cd72e9 as the text (7.18:1)
  • AA: or shift the background to #d1d1d1 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #911cb5 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

#911cb5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #911cb5
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 #911cb5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/911cb5-bd9fc1-adcb62-2d1f2a-ece9f1?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