Color

#353ea7

#353ea7
hex#353ea7
rgbrgb(53, 62, 167)
hslhsl(235, 52%, 43%)
oklchoklch(0.425 0.166 273.2)
Closest name: Bluebell (#333399)Relative luminance 0.0699

Colors that go with #353ea7

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 →

#a79d35

#3577a7 · #6435a7

#a7353e · #3ea735

Split-complementary

Open in tool →

#a76435 · #77a735

#a73577 · #a79d35 · #35a764

Contrast

#353ea7 as textRatioAAAA largeAAAFix
Aaon white
8.76:1passpasspassPasses AAA — no fix needed.
Aaon black
2.4:1failfailfail
  • AA: use #646dce as the text (4.62:1)
  • AAA: use #8b91da as the text (7.16:1)
  • AA: or shift the background to #bababa (4.51:1)
  • AAA: or shift the background to #e6e6e6 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #353ea7 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

#353ea7 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #353ea7
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 #353ea7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/353ea7-9e9cc4-df8d4e-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