Color

#355aed

#355aed
hex#355aed
rgbrgb(53, 90, 237)
hslhsl(228, 84%, 57%)
oklchoklch(0.536 0.224 267.1)
Closest name: Bluetiful (#3c69e7)Relative luminance 0.1418

Colors that go with #355aed

Charcoal, Crimson 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 →

#edc935

#35b6ed · #6d35ed

#ed355a · #5aed35

Split-complementary

Open in tool →

#ed6d35 · #b6ed35

#ed35b6 · #edc935 · #35ed6d

Contrast

#355aed as textRatioAAAA largeAAAFix
Aaon white
5.47:1passpassfail
  • AAA: use #143feb as the text (7.14:1)
Aaon black
3.84:1failpassfail
  • AA: use #4869ef as the text (4.54:1)
  • AAA: use #7790f3 as the text (7.07:1)
  • AA: or shift the background to #ebebeb (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #355aed as the background.

Brands using this color

Fonts for this mood

#355aed reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #355aed
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 #355aed and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/355aed-9c9fc4-df7c4e-231f2d-e9eff1?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