Color

#831ddd

#831ddd
hex#831ddd
rgbrgb(131, 29, 221)
hslhsl(272, 77%, 49%)
oklchoklch(0.512 0.254 300.7)
Closest name: blueviolet (#8a2be2)Relative luminance 0.1092

Colors that go with #831ddd

Olive Green, Charcoal and Deep Sky 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.

Real palettes that use #831ddd

Tints & shades

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

Harmonies

Complementary

Open in tool →

#77dd1d

#231ddd · #dd1dd7

#dd831d · #1ddd83

Split-complementary

Open in tool →

#d7dd1d · #1ddd23

#dd231d · #77dd1d · #1dd7dd

Contrast

#831ddd as textRatioAAAA largeAAAFix
Aaon white
6.59:1passpassfail
  • AAA: use #7b1bd0 as the text (7.22:1)
Aaon black
3.18:1failpassfail
  • AA: use #9e4ae8 as the text (4.6:1)
  • AAA: use #b97cee as the text (7.18:1)
  • AA: or shift the background to #d6d6d6 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #831ddd 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

#831ddd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #831ddd
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 #831ddd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/831ddd-b69cc4-c5cb62-2d1f2d-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