Color

#990bc1

#990bc1
hex#990bc1
rgbrgb(153, 11, 193)
hslhsl(287, 89%, 40%)
oklchoklch(0.51 0.245 316)
Closest name: Nebula (#a104c3)Relative luminance 0.1086

Colors that go with #990bc1

Denim, Forest Green and Charcoal 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.

Real palettes that use #990bc1

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#33c10b

#3f0bc1 · #c10b8d

#c1990b · #0bc199

Split-complementary

Open in tool →

#8dc10b · #0bc13f

#c13f0b · #33c10b · #0b8dc1

Contrast

#990bc1 as textRatioAAAA largeAAAFix
Aaon white
6.62:1passpassfail
  • AAA: use #920bb7 as the text (7.11:1)
Aaon black
3.17:1failpassfail
  • AA: use #c00ef1 as the text (4.57:1)
  • AAA: use #d765f6 as the text (7.08:1)
  • AA: or shift the background to #d6d6d6 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #990bc1 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

#990bc1 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #990bc1
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 #990bc1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/990bc1-bd9fc1-abcb62-2d1f2a-ece9f1?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