Color

#8121e8

#8121e8
hex#8121e8
rgbrgb(129, 33, 232)
hslhsl(269, 81%, 52%)
oklchoklch(0.522 0.262 297.6)
Closest name: blueviolet (#8a2be2)Relative luminance 0.1158

Colors that go with #8121e8

Olive Green, Deep Sky Blue and Medium Slate Blue 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 →

#88e821

#2125e8 · #e421e8

#e88121 · #21e881

Split-complementary

Open in tool →

#e8e421 · #25e821

#e82125 · #88e821 · #21e8e4

Contrast

#8121e8 as textRatioAAAA largeAAAFix
Aaon white
6.33:1passpassfail
  • AAA: use #7717de as the text (7.09:1)
Aaon black
3.32:1failpassfail
  • AA: use #994bec as the text (4.57:1)
  • AAA: use #b67ef1 as the text (7.24:1)
  • AA: or shift the background to #dbdbdb (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #8121e8 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

#8121e8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #8121e8
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 #8121e8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/8121e8-b49cc4-cbcb62-2c1f2d-e9e9f1?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