Color

#911ca6

#911ca6
hex#911ca6
rgbrgb(145, 28, 166)
hslhsl(291, 71%, 38%)
oklchoklch(0.486 0.212 320.7)
Closest name: darkmagenta (#8b008b)Relative luminance 0.096

Tints & shades

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

Harmonies

Complementary

Open in tool →

#31a61c

#4c1ca6 · #a61c76

#a6911c · #1ca691

Split-complementary

Open in tool →

#76a61c · #1ca64c

#a64c1c · #31a61c · #1c76a6

Contrast

#911ca6 as textRatioAAAA largeAAAFix
Aaon white
7.19:1passpasspassPasses AAA — no fix needed.
Aaon black
2.92:1failfailfail
  • AA: use #c029db as the text (4.58:1)
  • AAA: use #d36be6 as the text (7.02:1)
  • AA: or shift the background to #cfcfcf (4.62:1)
  • AAA: or shift the background to #fcfcfc (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #911ca6 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

#911ca6 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #911ca6
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #911ca6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/911ca6-bf9fc1-a4cb62-2d1f29-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