Color

#8b51db

#8b51db
hex#8b51db
rgbrgb(139, 81, 219)
hslhsl(265, 66%, 59%)
oklchoklch(0.571 0.202 299.2)
Closest name: Candy Grape Fizz (#7755ee)Relative luminance 0.1649

Colors that go with #8b51db

Royal Blue, Taupe and Olive Green 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 →

#a2db51

#515ddb · #d051db

#db8b51 · #51db8b

Split-complementary

Open in tool →

#dbd051 · #5ddb51

#db515d · #a2db51 · #51dbd0

Contrast

#8b51db as textRatioAAAA largeAAAFix
Aaon white
4.89:1passpassfail
Aaon black
4.3:1failpassfail
  • AA: use #8e56dc as the text (4.51:1)
  • AAA: use #ad84e6 as the text (7.22:1)
  • AA: or shift the background to #f7f7f7 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #8b51db 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

#8b51db reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #8b51db
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 #8b51db and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/8b51db-b19cc4-dfd54e-2b1f2d-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