Color

#971ff9

#971ff9
hex#971ff9
rgbrgb(151, 31, 249)
hslhsl(273, 95%, 55%)
oklchoklch(0.561 0.281 301.7)
Closest name: Cosmic Heart (#9601f4)Relative luminance 0.144

Colors that go with #971ff9

Olive Green, Charcoal and Denim 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 →

#81f91f

#2a1ff9 · #f91fee

#f9971f · #1ff997

Split-complementary

Open in tool →

#eef91f · #1ff92a

#f92a1f · #81f91f · #1feef9

Contrast

#971ff9 as textRatioAAAA largeAAAFix
Aaon white
5.41:1passpassfail
  • AAA: use #7e06e0 as the text (7.02:1)
Aaon black
3.88:1failpassfail
  • AA: use #a338fa as the text (4.5:1)
  • AAA: use #be74fb as the text (7.08:1)
  • AA: or shift the background to #ebebeb (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #971ff9 as the background.

Brands using this color

Fonts for this mood

#971ff9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #971ff9
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 #971ff9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/971ff9-b79cc4-c4cb62-2d1f2d-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