Color

#8b13fb

#8b13fb
hex#8b13fb
rgbrgb(139, 19, 251)
hslhsl(271, 97%, 53%)
oklchoklch(0.544 0.286 297.9)
Closest name: Cosmic Heart (#9601f4)Relative luminance 0.1292

Colors that go with #8b13fb

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 →

#83fb13

#1713fb · #fb13f8

#fb8b13 · #13fb8b

Split-complementary

Open in tool →

#f8fb13 · #13fb17

#fb1713 · #83fb13 · #13f8fb

Contrast

#8b13fb as textRatioAAAA largeAAAFix
Aaon white
5.86:1passpassfail
  • AAA: use #7904e7 as the text (7.04:1)
Aaon black
3.58:1failpassfail
  • AA: use #9f3bfc as the text (4.51:1)
  • AAA: use #bc77fd as the text (7.2:1)
  • AA: or shift the background to #e3e3e3 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #8b13fb as the background.

Brands using this color

Fonts for this mood

#8b13fb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #8b13fb
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 #8b13fb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/8b13fb-b59cc4-c7cb62-2c1f2d-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