Color

#3342cc

#3342cc
hex#3342cc
rgbrgb(51, 66, 204)
hslhsl(234, 60%, 50%)
oklchoklch(0.464 0.21 270.5)
Closest name: Blurple (#5539cc)Relative luminance 0.0896

Colors that go with #3342cc

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 →

#ccbd33

#338fcc · #7033cc

#cc3342 · #42cc33

Split-complementary

Open in tool →

#cc7033 · #8fcc33

#cc338f · #ccbd33 · #33cc70

Contrast

#3342cc as textRatioAAAA largeAAAFix
Aaon white
7.52:1passpasspassPasses AAA — no fix needed.
Aaon black
2.79:1failfailfail
  • AA: use #606cd7 as the text (4.62:1)
  • AAA: use #8992e1 as the text (7.26:1)
  • AA: or shift the background to #c9c9c9 (4.54:1)
  • AAA: or shift the background to #f7f7f7 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3342cc 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

#3342cc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3342cc
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 #3342cc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3342cc-9d9cc4-df8a4e-241f2d-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