Color

#8f21ca

#8f21ca
hex#8f21ca
rgbrgb(143, 33, 202)
hslhsl(279, 72%, 46%)
oklchoklch(0.513 0.238 309.4)
Closest name: Lilac Spring (#8822cc)Relative luminance 0.1119

Colors that go with #8f21ca

Denim, Olive Drab and Sea Green 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 →

#5cca21

#3a21ca · #ca21b0

#ca8f21 · #21ca8f

Split-complementary

Open in tool →

#b0ca21 · #21ca3a

#ca3a21 · #5cca21 · #21b0ca

Contrast

#8f21ca as textRatioAAAA largeAAAFix
Aaon white
6.48:1passpassfail
  • AAA: use #851fbd as the text (7.17:1)
Aaon black
3.24:1failpassfail
  • AA: use #a942e0 as the text (4.54:1)
  • AAA: use #c177e9 as the text (7.08:1)
  • AA: or shift the background to #d9d9d9 (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #8f21ca 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

#8f21ca reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #8f21ca
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 #8f21ca and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/8f21ca-b99fc1-b9cb62-2d1f2c-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