Color

#850bfe

#850bfe
hex#850bfe
rgbrgb(133, 11, 254)
hslhsl(270, 99%, 52%)
oklchoklch(0.538 0.29 295.6)
Closest name: Poisoning Purple (#7f01fe)Relative luminance 0.1238

Colors that go with #850bfe

Olive Green, Medium Slate Blue and Teal 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 →

#85fe0b

#0b0bfe · #fe0bfe

#fe850b · #0bfe85

Split-complementary

Open in tool →

#fefe0b · #0bfe0b

#fe0b0b · #85fe0b · #0bfefe

Contrast

#850bfe as textRatioAAAA largeAAAFix
Aaon white
6.04:1passpassfail
  • AAA: use #7501e9 as the text (7.15:1)
Aaon black
3.48:1failpassfail
  • AA: use #9e3efe as the text (4.57:1)
  • AAA: use #ba76fe as the text (7.11:1)
  • AA: or shift the background to #e0e0e0 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #850bfe as the background.

Brands using this color

Fonts for this mood

#850bfe reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #850bfe
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 #850bfe and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/850bfe-b59cc4-c9cb62-2c1f2d-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