Color

#671b7e

#671b7e
hex#671b7e
rgbrgb(103, 27, 126)
hslhsl(286, 65%, 30%)
oklchoklch(0.394 0.163 316.9)
Closest name: Extraviolet (#661188)Relative luminance 0.0517

Tints & shades

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

Harmonies

Complementary

Open in tool →

#327e1b

#351b7e · #7e1b64

#7e671b · #1b7e67

Split-complementary

Open in tool →

#647e1b · #1b7e35

#7e351b · #327e1b · #1b647e

Contrast

#671b7e as textRatioAAAA largeAAAFix
Aaon white
10.32:1passpasspassPasses AAA — no fix needed.
Aaon black
2.03:1failfailfail
  • AA: use #b23dd6 as the text (4.53:1)
  • AAA: use #c874e2 as the text (7.05:1)
  • AA: or shift the background to #adadad (4.6:1)
  • AAA: or shift the background to #d6d6d6 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #671b7e 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

#671b7e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #671b7e
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #671b7e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/671b7e-bd9fc1-adcb62-2d1f2a-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