Color

#6e129b

#6e129b
hex#6e129b
rgbrgb(110, 18, 155)
hslhsl(280, 79%, 34%)
oklchoklch(0.421 0.199 310.2)
Closest name: Extraviolet (#661188)Relative luminance 0.0611

Colors that go with #6e129b

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#409b12

#29129b · #9b1284

#9b6e12 · #129b6e

Split-complementary

Open in tool →

#849b12 · #129b29

#9b2912 · #409b12 · #12849b

Contrast

#6e129b as textRatioAAAA largeAAAFix
Aaon white
9.45:1passpasspassPasses AAA — no fix needed.
Aaon black
2.22:1failfailfail
  • AA: use #ae3be8 as the text (4.59:1)
  • AAA: use #c572ee as the text (7.02:1)
  • 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 #6e129b as the background.

Brands using this color

Fonts for this mood

#6e129b reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6e129b
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 #6e129b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6e129b-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