Color

#3549de

#3549de
hex#3549de
rgbrgb(53, 73, 222)
hslhsl(233, 72%, 54%)
oklchoklch(0.494 0.225 269.6)
Closest name: Blurple (#5539cc)Relative luminance 0.108

Colors that go with #3549de

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 #3549de

Tints & shades

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

Harmonies

Complementary

Open in tool →

#deca35

#359dde · #7635de

#de3549 · #49de35

Split-complementary

Open in tool →

#de7635 · #9dde35

#de359d · #deca35 · #35de76

Contrast

#3549de as textRatioAAAA largeAAAFix
Aaon white
6.65:1passpassfail
  • AAA: use #2c41dd as the text (7.22:1)
Aaon black
3.16:1failpassfail
  • AA: use #5869e4 as the text (4.56:1)
  • AAA: use #8490eb as the text (7.17:1)
  • AA: or shift the background to #d6d6d6 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3549de 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

#3549de reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3549de
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 #3549de and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3549de-9c9cc4-df884e-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