Color

#8131dd

#8131dd
hex#8131dd
rgbrgb(129, 49, 221)
hslhsl(268, 72%, 53%)
oklchoklch(0.524 0.239 298.7)
Closest name: blueviolet (#8a2be2)Relative luminance 0.1208

Colors that go with #8131dd

Olive Green, Sea Green and Charcoal 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 →

#8ddd31

#3137dd · #d831dd

#dd8131 · #31dd81

Split-complementary

Open in tool →

#ddd831 · #37dd31

#dd3137 · #8ddd31 · #31ddd8

Contrast

#8131dd as textRatioAAAA largeAAAFix
Aaon white
6.15:1passpassfail
  • AAA: use #7522d3 as the text (7.18:1)
Aaon black
3.42:1failpassfail
  • AA: use #9450e2 as the text (4.5:1)
  • AAA: use #b280ea as the text (7.17:1)
  • AA: or shift the background to #dedede (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 #8131dd 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

#8131dd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #8131dd
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 #8131dd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/8131dd-b39cc4-dfdc4e-2c1f2d-e9eaf1?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