Color

#3c3ec3

#3c3ec3
hex#3c3ec3
rgbrgb(60, 62, 195)
hslhsl(239, 53%, 50%)
oklchoklch(0.454 0.201 274.3)
Closest name: Blurple (#5539cc)Relative luminance 0.0835

Colors that go with #3c3ec3

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 →

#c3c13c

#3c82c3 · #7d3cc3

#c33c3e · #3ec33c

Split-complementary

Open in tool →

#c37d3c · #82c33c

#c33c82 · #c3c13c · #3cc37d

Contrast

#3c3ec3 as textRatioAAAA largeAAAFix
Aaon white
7.87:1passpasspassPasses AAA — no fix needed.
Aaon black
2.67:1failfailfail
  • AA: use #6769d0 as the text (4.51:1)
  • AAA: use #8e8fdc as the text (7.11:1)
  • AA: or shift the background to #c4c4c4 (4.51:1)
  • AAA: or shift the background to #f2f2f2 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3c3ec3 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

#3c3ec3 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3c3ec3
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 #3c3ec3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3c3ec3-a09cc4-df964e-251f2d-e9edf1?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