Color

#3c2ca5

#3c2ca5
hex#3c2ca5
rgbrgb(60, 44, 165)
hslhsl(248, 58%, 41%)
oklchoklch(0.398 0.183 280.1)
Closest name: Bluebell (#333399)Relative luminance 0.0548

Colors that go with #3c2ca5

Charcoal, Steel Blue and 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 →

#95a52c

#2c58a5 · #792ca5

#a53c2c · #2ca53c

Split-complementary

Open in tool →

#a5792c · #58a52c

#a52c58 · #95a52c · #2ca579

Contrast

#3c2ca5 as textRatioAAAA largeAAAFix
Aaon white
10.02:1passpasspassPasses AAA — no fix needed.
Aaon black
2.1:1failfailfail
  • AA: use #7566d6 as the text (4.63:1)
  • AAA: use #968ae0 as the text (7.01:1)
  • AA: or shift the background to #b0b0b0 (4.62:1)
  • AAA: or shift the background to #d9d9d9 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3c2ca5 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

#3c2ca5 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3c2ca5
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 #3c2ca5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3c2ca5-a69cc4-dfac4e-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