Color

#3344e1

#3344e1
hex#3344e1
rgbrgb(51, 68, 225)
hslhsl(234, 74%, 54%)
oklchoklch(0.488 0.234 269.7)
Closest name: C64 Blue (#003aff)Relative luminance 0.1027

Colors that go with #3344e1

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.

Real palettes that use #3344e1

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#e1cf33

#339be1 · #7833e1

#e13344 · #44e133

Split-complementary

Open in tool →

#e17833 · #9be133

#e1339b · #e1cf33 · #33e178

Contrast

#3344e1 as textRatioAAAA largeAAAFix
Aaon white
6.87:1passpassfail
  • AAA: use #2e40e0 as the text (7.18:1)
Aaon black
3.05:1failpassfail
  • AA: use #5b69e6 as the text (4.61:1)
  • AAA: use #8791ed as the text (7.3:1)
  • AA: or shift the background to #d1d1d1 (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3344e1 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

#3344e1 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3344e1
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 #3344e1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3344e1-9d9cc4-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