Color

#9b18dc

#9b18dc
hex#9b18dc
rgbrgb(155, 24, 220)
hslhsl(280, 80%, 48%)
oklchoklch(0.539 0.261 309.5)
Closest name: darkviolet (#9400d3)Relative luminance 0.1279

Colors that go with #9b18dc

Olive Drab, 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 →

#5adc18

#3918dc · #dc18bc

#dc9b18 · #18dc9b

Split-complementary

Open in tool →

#bcdc18 · #18dc39

#dc3918 · #5adc18 · #18bcdc

Contrast

#9b18dc as textRatioAAAA largeAAAFix
Aaon white
5.9:1passpassfail
  • AAA: use #8815c1 as the text (7.18:1)
Aaon black
3.56:1failpassfail
  • AA: use #af3ae9 as the text (4.6:1)
  • AAA: use #c775f0 as the text (7.23:1)
  • AA: or shift the background to #e3e3e3 (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #9b18dc 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

#9b18dc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #9b18dc
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 #9b18dc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/9b18dc-b99fc1-b8cb62-2d1f2c-ebe9f1?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