Color

#3443c5

#3443c5
hex#3443c5
rgbrgb(52, 67, 197)
hslhsl(234, 58%, 49%)
oklchoklch(0.46 0.2 270.8)
Closest name: Blurple (#5539cc)Relative luminance 0.0878

Colors that go with #3443c5

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 →

#c5b734

#348bc5 · #6e34c5

#c53443 · #43c534

Split-complementary

Open in tool →

#c56e34 · #8bc534

#c5348b · #c5b734 · #34c56e

Contrast

#3443c5 as textRatioAAAA largeAAAFix
Aaon white
7.62:1passpasspassPasses AAA — no fix needed.
Aaon black
2.76:1failfailfail
  • AA: use #626dd5 as the text (4.67:1)
  • AAA: use #868fdf as the text (7.01:1)
  • AA: or shift the background to #c7c7c7 (4.51:1)
  • AAA: or shift the background to #f7f7f7 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3443c5 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

#3443c5 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3443c5
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 #3443c5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3443c5-9d9cc4-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