Color

#812fa7

#812fa7
hex#812fa7
rgbrgb(129, 47, 167)
hslhsl(281, 56%, 42%)
oklchoklch(0.48 0.188 312.8)
Closest name: Fuchsia Nebula (#7722aa)Relative luminance 0.0949

Colors that go with #812fa7

Sea Green, Denim 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 →

#55a72f

#452fa7 · #a72f91

#a7812f · #2fa781

Split-complementary

Open in tool →

#91a72f · #2fa745

#a7452f · #55a72f · #2f91a7

Contrast

#812fa7 as textRatioAAAA largeAAAFix
Aaon white
7.25:1passpasspassPasses AAA — no fix needed.
Aaon black
2.9:1failfailfail
  • AA: use #a650ce as the text (4.66:1)
  • AAA: use #bc7cda as the text (7.03:1)
  • AA: or shift the background to #cccccc (4.51:1)
  • AAA: or shift the background to #fcfcfc (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #812fa7 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

#812fa7 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #812fa7
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 #812fa7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/812fa7-ba9fc1-b6cb62-2d1f2c-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