Color

#671579

#671579
hex#671579
rgbrgb(103, 21, 121)
hslhsl(289, 70%, 28%)
oklchoklch(0.385 0.165 319.4)
Closest name: Extraviolet (#661188)Relative luminance 0.048

Colors that go with #671579

Forest 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 →

#287915

#351579 · #79155a

#796715 · #157967

Split-complementary

Open in tool →

#5a7915 · #157935

#793515 · #287915 · #155a79

Contrast

#671579 as textRatioAAAA largeAAAFix
Aaon white
10.71:1passpasspassPasses AAA — no fix needed.
Aaon black
1.96:1failfailfail
  • AA: use #bb2fda as the text (4.53:1)
  • AAA: use #d070e6 as the text (7.14:1)
  • AA: or shift the background to #a8a8a8 (4.51:1)
  • AAA: or shift the background to #d1d1d1 (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 #671579 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

#671579 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #671579
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 #671579 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/671579-be9fc1-a8cb62-2d1f2a-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