Color

#3c3ec8

#3c3ec8
hex#3c3ec8
rgbrgb(60, 62, 200)
hslhsl(239, 56%, 51%)
oklchoklch(0.459 0.208 274)
Closest name: Blurple (#5539cc)Relative luminance 0.0858

Colors that go with #3c3ec8

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 →

#c8c63c

#3c84c8 · #803cc8

#c83c3e · #3ec83c

Split-complementary

Open in tool →

#c8803c · #84c83c

#c83c84 · #c8c63c · #3cc880

Contrast

#3c3ec8 as textRatioAAAA largeAAAFix
Aaon white
7.73:1passpasspassPasses AAA — no fix needed.
Aaon black
2.72:1failfailfail
  • AA: use #686ad4 as the text (4.6:1)
  • AAA: use #9091e0 as the text (7.31:1)
  • AA: or shift the background to #c7c7c7 (4.58:1)
  • AAA: or shift the background to #f5f5f5 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3c3ec8 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

#3c3ec8 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3c3ec8
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 #3c3ec8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3c3ec8-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