Color

#3f0e4e

#3f0e4e
hex#3f0e4e
rgbrgb(63, 14, 78)
hslhsl(286, 70%, 18%)
oklchoklch(0.283 0.115 316.9)
Closest name: Velvet Cosmos (#441144)Relative luminance 0.0192

Colors that go with #3f0e4e

Charcoal, Blue and Cadet Blue 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 →

#1d4e0e

#1f0e4e · #4e0e3d

#4e3f0e · #0e4e3f

Split-complementary

Open in tool →

#3d4e0e · #0e4e1f

#4e1f0e · #1d4e0e · #0e3d4e

Contrast

#3f0e4e as textRatioAAAA largeAAAFix
Aaon white
15.17:1passpasspassPasses AAA — no fix needed.
Aaon black
1.38:1failfailfail
  • AA: use #b538dc as the text (4.56:1)
  • AAA: use #cc74e7 as the text (7.22:1)
  • AA: or shift the background to #8c8c8c (4.51:1)
  • AAA: or shift the background to #b3b3b3 (7.24:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3f0e4e 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

#3f0e4e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3f0e4e
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 #3f0e4e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3f0e4e-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