Color

#990ff5

#990ff5
hex#990ff5
rgbrgb(153, 15, 245)
hslhsl(276, 92%, 51%)
oklchoklch(0.554 0.284 303.6)
Closest name: Cosmic Heart (#9601f4)Relative luminance 0.1371

Colors that go with #990ff5

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 →

#6bf50f

#260ff5 · #f50fde

#f5990f · #0ff599

Split-complementary

Open in tool →

#def50f · #0ff526

#f5260f · #6bf50f · #0fdef5

Contrast

#990ff5 as textRatioAAAA largeAAAFix
Aaon white
5.61:1passpassfail
  • AAA: use #8209d3 as the text (7.17:1)
Aaon black
3.74:1failpassfail
  • AA: use #aa36f7 as the text (4.58:1)
  • AAA: use #c371f9 as the text (7.05:1)
  • AA: or shift the background to #e8e8e8 (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 #990ff5 as the background.

Brands using this color

Fonts for this mood

#990ff5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #990ff5
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 #990ff5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/990ff5-b99cc4-bfcb62-2d1f2d-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