Color

#355ec0

#355ec0
hex#355ec0
rgbrgb(53, 94, 192)
hslhsl(222, 57%, 48%)
oklchoklch(0.508 0.161 264.3)
Closest name: Denim (#1560bd)Relative luminance 0.1257

Colors that go with #355ec0

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c09635

#35a4c0 · #5135c0

#c0355e · #5ec035

Split-complementary

Open in tool →

#c05135 · #a4c035

#c035a4 · #c09635 · #35c051

Contrast

#355ec0 as textRatioAAAA largeAAAFix
Aaon white
5.98:1passpassfail
  • AAA: use #2e53a8 as the text (7.19:1)
Aaon black
3.51:1failpassfail
  • AA: use #4b72ce as the text (4.6:1)
  • AAA: use #7795da as the text (7.1:1)
  • AA: or shift the background to #e0e0e0 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #355ec0 as the background.

Brands using this color

Fonts for this mood

#355ec0 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #355ec0
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 #355ec0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/355ec0-9ca3c4-df6e4e-211f2d-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