Color

#8121ca

#8121ca
hex#8121ca
rgbrgb(129, 33, 202)
hslhsl(274, 72%, 46%)
oklchoklch(0.495 0.235 304.1)
Closest name: Lilac Spring (#8822cc)Relative luminance 0.1002

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6aca21

#2c21ca · #ca21be

#ca8121 · #21ca81

Split-complementary

Open in tool →

#beca21 · #21ca2c

#ca2c21 · #6aca21 · #21beca

Contrast

#8121ca as textRatioAAAA largeAAAFix
Aaon white
6.99:1passpassfail
  • AAA: use #7e20c5 as the text (7.24:1)
Aaon black
3:1failpassfail
  • AA: use #a04be2 as the text (4.6:1)
  • AAA: use #ba7bea as the text (7.11:1)
  • AA: or shift the background to #d1d1d1 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #8121ca 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

#8121ca reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #8121ca
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 #8121ca and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/8121ca-b79cc4-c2cb62-2d1f2d-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