Color

#353fac

#353fac
hex#353fac
rgbrgb(53, 63, 172)
hslhsl(235, 53%, 44%)
oklchoklch(0.431 0.172 272.8)
Closest name: Cobalt Blue (#0047ab)Relative luminance 0.0729

Colors that go with #353fac

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 →

#aca235

#357aac · #6635ac

#ac353f · #3fac35

Split-complementary

Open in tool →

#ac6635 · #7aac35

#ac357a · #aca235 · #35ac66

Contrast

#353fac as textRatioAAAA largeAAAFix
Aaon white
8.54:1passpasspassPasses AAA — no fix needed.
Aaon black
2.46:1failfailfail
  • AA: use #636ccf as the text (4.58:1)
  • AAA: use #8a91db as the text (7.15:1)
  • AA: or shift the background to #bdbdbd (4.55:1)
  • AAA: or shift the background to #ebebeb (7.17:1)

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

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

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

tool url/palettes/new/353fac-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