Color

#6a18cd

#6a18cd
hex#6a18cd
rgbrgb(106, 24, 205)
hslhsl(267, 79%, 45%)
oklchoklch(0.464 0.24 294.8)
Closest name: Hokkaido Lavender (#7736d9)Relative luminance 0.0813

Colors that go with #6a18cd

Olive Green, Charcoal and Royal Blue 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 #6a18cd

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7ccd18

#1821cd · #c418cd

#cd6a18 · #18cd6a

Split-complementary

Open in tool →

#cdc418 · #21cd18

#cd1821 · #7ccd18 · #18cdc4

Contrast

#6a18cd as textRatioAAAA largeAAAFix
Aaon white
8:1passpasspassPasses AAA — no fix needed.
Aaon black
2.63:1failfailfail
  • AA: use #944dea as the text (4.51:1)
  • AAA: use #b27ff0 as the text (7.19:1)
  • AA: or shift the background to #c4c4c4 (4.59:1)
  • AAA: or shift the background to #f0f0f0 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6a18cd 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

#6a18cd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6a18cd
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 #6a18cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6a18cd-b39cc4-dfda4e-2c1f2d-e9eaf1?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