Color

#911dc3

#911dc3
hex#911dc3
rgbrgb(145, 29, 195)
hslhsl(282, 74%, 44%)
oklchoklch(0.508 0.235 312.1)
Closest name: Lilac Spring (#8822cc)Relative luminance 0.1084

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4fc31d

#3e1dc3 · #c31da2

#c3911d · #1dc391

Split-complementary

Open in tool →

#a2c31d · #1dc33e

#c33e1d · #4fc31d · #1da2c3

Contrast

#911dc3 as textRatioAAAA largeAAAFix
Aaon white
6.63:1passpassfail
  • AAA: use #8b1cba as the text (7.06:1)
Aaon black
3.17:1failpassfail
  • AA: use #b03ce2 as the text (4.59:1)
  • AAA: use #c775ea as the text (7.16:1)
  • AA: or shift the background to #d6d6d6 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #911dc3 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

#911dc3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #911dc3
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 #911dc3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/911dc3-ba9fc1-b4cb62-2d1f2b-ebe9f1?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