Color

#8b18dc

#8b18dc
hex#8b18dc
rgbrgb(139, 24, 220)
hslhsl(275, 80%, 48%)
oklchoklch(0.518 0.258 304)
Closest name: blueviolet (#8a2be2)Relative luminance 0.1131

Colors that go with #8b18dc

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 →

#6adc18

#2918dc · #dc18cc

#dc8b18 · #18dc8b

Split-complementary

Open in tool →

#ccdc18 · #18dc29

#dc2918 · #6adc18 · #18ccdc

Contrast

#8b18dc as textRatioAAAA largeAAAFix
Aaon white
6.44:1passpassfail
  • AAA: use #8217cf as the text (7.06:1)
Aaon black
3.26:1failpassfail
  • AA: use #a443ea as the text (4.57:1)
  • AAA: use #bf7af0 as the text (7.26:1)
  • AA: or shift the background to #d9d9d9 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #8b18dc 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

#8b18dc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #8b18dc
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 #8b18dc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/8b18dc-b89cc4-c0cb62-2d1f2d-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