Color

#3c2fb1

#3c2fb1
hex#3c2fb1
rgbrgb(60, 47, 177)
hslhsl(246, 58%, 44%)
oklchoklch(0.414 0.195 278.1)
Closest name: Bluebell (#333399)Relative luminance 0.0617

Colors that go with #3c2fb1

Charcoal, Sea Green and Steel 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 →

#a4b12f

#2f63b1 · #7d2fb1

#b13c2f · #2fb13c

Split-complementary

Open in tool →

#b17d2f · #63b12f

#b12f63 · #a4b12f · #2fb17d

Contrast

#3c2fb1 as textRatioAAAA largeAAAFix
Aaon white
9.4:1passpasspassPasses AAA — no fix needed.
Aaon black
2.23:1failfailfail
  • AA: use #7166d6 as the text (4.57:1)
  • AAA: use #968ee1 as the text (7.25:1)
  • AA: or shift the background to #b5b5b5 (4.59:1)
  • AAA: or shift the background to #e0e0e0 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3c2fb1 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

#3c2fb1 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3c2fb1
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 #3c2fb1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3c2fb1-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