Color

#831dbf

#831dbf
hex#831dbf
rgbrgb(131, 29, 191)
hslhsl(278, 74%, 43%)
oklchoklch(0.486 0.228 307.9)
Closest name: Lilac Spring (#8822cc)Relative luminance 0.0947

Colors that go with #831dbf

Denim, Olive Drab 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 →

#58bf1d

#321dbf · #bf1da9

#bf831d · #1dbf83

Split-complementary

Open in tool →

#a9bf1d · #1dbf32

#bf321d · #58bf1d · #1da9bf

Contrast

#831dbf as textRatioAAAA largeAAAFix
Aaon white
7.26:1passpasspassPasses AAA — no fix needed.
Aaon black
2.89:1failfailfail
  • AA: use #a945e3 as the text (4.65:1)
  • AAA: use #c27aeb as the text (7.28:1)
  • AA: or shift the background to #cccccc (4.52:1)
  • AAA: or shift the background to #fcfcfc (7.08:1)

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

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

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

tool url/palettes/new/831dbf-ba9cc4-bbcb62-2d1f2c-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