Color

#3c54cd

#3c54cd
hex#3c54cd
rgbrgb(60, 84, 205)
hslhsl(230, 59%, 52%)
oklchoklch(0.501 0.189 269.7)
Closest name: Denim (#1560bd)Relative luminance 0.1171

Colors that go with #3c54cd

Charcoal, Sea Green and Amber 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 →

#cdb53c

#3c9dcd · #6d3ccd

#cd3c54 · #54cd3c

Split-complementary

Open in tool →

#cd6d3c · #9dcd3c

#cd3c9d · #cdb53c · #3ccd6d

Contrast

#3c54cd as textRatioAAAA largeAAAFix
Aaon white
6.28:1passpassfail
Aaon black
3.34:1failpassfail
  • AA: use #596dd4 as the text (4.56:1)
  • AAA: use #8191df as the text (7.05:1)
  • AA: or shift the background to #dbdbdb (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3c54cd as the background.

Brands using this color

Fonts for this mood

#3c54cd reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3c54cd
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 #3c54cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3c54cd-9c9ec4-df814e-231f2d-e9eef1?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