Color

#353aa7

#353aa7
hex#353aa7
rgbrgb(53, 58, 167)
hslhsl(237, 52%, 43%)
oklchoklch(0.417 0.171 274.2)
Closest name: Bluebell (#333399)Relative luminance 0.0657

Colors that go with #353aa7

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 →

#a7a135

#3573a7 · #6835a7

#a7353a · #3aa735

Split-complementary

Open in tool →

#a76835 · #73a735

#a73573 · #a7a135 · #35a768

Contrast

#353aa7 as textRatioAAAA largeAAAFix
Aaon white
9.07:1passpasspassPasses AAA — no fix needed.
Aaon black
2.31:1failfailfail
  • AA: use #686dcf as the text (4.68:1)
  • AAA: use #8b8fda as the text (7.04:1)
  • AA: or shift the background to #b8b8b8 (4.57:1)
  • AAA: or shift the background to #e3e3e3 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #353aa7 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

#353aa7 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #353aa7
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 #353aa7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/353aa7-9f9cc4-df924e-251f2d-e9edf1?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