Color

#9963cf

#9963cf
hex#9963cf
rgbrgb(153, 99, 207)
hslhsl(270, 53%, 60%)
oklchoklch(0.605 0.164 305.1)
Closest name: Amethyst (#9966cc)Relative luminance 0.202

Colors that go with #9963cf

Midnight Blue, Taupe and Olive Drab 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 →

#99cf63

#6363cf · #cf63cf

#cf9963 · #63cf99

Split-complementary

Open in tool →

#cfcf63 · #63cf63

#cf6363 · #99cf63 · #63cfcf

Contrast

#9963cf as textRatioAAAA largeAAAFix
Aaon white
4.17:1failpassfail
  • AA: use #945bcd as the text (4.53:1)
  • AAA: use #7537b3 as the text (7.11:1)
  • AA: or shift the background to #0f0f0f (4.6:1)
Aaon black
5.04:1passpassfail
  • AAA: use #b086da as the text (7.27:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #9963cf 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

#9963cf reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #9963cf
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 #9963cf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/9963cf-b59cc4-c9cb62-2c1f2d-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