Color

#6a1b98

#6a1b98
hex#6a1b98
rgbrgb(106, 27, 152)
hslhsl(278, 70%, 35%)
oklchoklch(0.419 0.188 308.7)
Closest name: Extraviolet (#661188)Relative luminance 0.0612

Colors that go with #6a1b98

Denim, Olive Drab 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#49981b

#2b1b98 · #981b87

#986a1b · #1b986a

Split-complementary

Open in tool →

#87981b · #1b982b

#982b1b · #49981b · #1b8798

Contrast

#6a1b98 as textRatioAAAA largeAAAFix
Aaon white
9.45:1passpasspassPasses AAA — no fix needed.
Aaon black
2.22:1failfailfail
  • AA: use #a645de as the text (4.53:1)
  • AAA: use #bf79e7 as the text (7.1:1)
  • AA: or shift the background to #b3b3b3 (4.51:1)
  • AAA: or shift the background to #dedede (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 #6a1b98 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

#6a1b98 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6a1b98
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 #6a1b98 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6a1b98-ba9cc4-bbcb62-2d1f2c-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