Color

#6b2871

#6b2871
hex#6b2871
rgbrgb(107, 40, 113)
hslhsl(295, 48%, 30%)
oklchoklch(0.405 0.135 324.3)
Closest name: Galactic Grapevine (#6b327b)Relative luminance 0.0584

Colors that go with #6b2871

Sea Green, Charcoal and Tomato 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 →

#2e7128

#462871 · #712853

#716b28 · #28716b

Split-complementary

Open in tool →

#537128 · #287146

#714628 · #2e7128 · #285371

Contrast

#6b2871 as textRatioAAAA largeAAAFix
Aaon white
9.69:1passpasspassPasses AAA — no fix needed.
Aaon black
2.17:1failfailfail
  • AA: use #b446be as the text (4.56:1)
  • AAA: use #c97bd1 as the text (7.24:1)
  • AA: or shift the background to #b3b3b3 (4.62:1)
  • AAA: or shift the background to #dedede (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6b2871 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

#6b2871 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6b2871
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 #6b2871 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6b2871-c19fbf-9dcb62-2d1f28-ede9f1?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