Color

#3f2afe

#3f2afe
hex#3f2afe
rgbrgb(63, 42, 254)
hslhsl(246, 99%, 58%)
oklchoklch(0.493 0.285 272.9)
Closest name: Blustering Blue (#4411ff)Relative luminance 0.0987

Colors that go with #3f2afe

Charcoal, Cobalt Blue and Cornflower 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 →

#e9fe2a

#2a7ffe · #a92afe

#fe3f2a · #2afe3f

Split-complementary

Open in tool →

#fea92a · #7ffe2a

#fe2a7f · #e9fe2a · #2afea9

Contrast

#3f2afe as textRatioAAAA largeAAAFix
Aaon white
7.06:1passpasspassPasses AAA — no fix needed.
Aaon black
2.97:1failfailfail
  • AA: use #6d5dfe as the text (4.65:1)
  • AAA: use #968afe as the text (7.36:1)
  • AA: or shift the background to #cfcfcf (4.53:1)
  • AAA: or shift the background to #ffffff (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3f2afe 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

#3f2afe reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3f2afe
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 #3f2afe and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3f2afe-a59cc4-dfa74e-271f2d-e9ecf1?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