Color

#6b337a

#6b337a
hex#6b337a
rgbrgb(107, 51, 122)
hslhsl(287, 41%, 34%)
oklchoklch(0.426 0.127 318.7)
Closest name: Galactic Grapevine (#6b327b)Relative luminance 0.069

Colors that go with #6b337a

Charcoal, Taupe and Sea Green 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 →

#437a33

#47337a · #7a3366

#7a6b33 · #337a6b

Split-complementary

Open in tool →

#667a33 · #337a47

#7a4733 · #437a33 · #33667a

Contrast

#6b337a as textRatioAAAA largeAAAFix
Aaon white
8.82:1passpasspassPasses AAA — no fix needed.
Aaon black
2.38:1failfailfail
  • AA: use #a356b8 as the text (4.58:1)
  • AAA: use #ba81ca as the text (7.08:1)
  • AA: or shift the background to #bababa (4.55:1)
  • AAA: or shift the background to #e6e6e6 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6b337a 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

#6b337a reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6b337a
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 #6b337a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6b337a-bd9fc1-abcb62-2d1f2a-ece9f1?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