Color

#353fd0

#353fd0
hex#353fd0
rgbrgb(53, 63, 208)
hslhsl(236, 62%, 51%)
oklchoklch(0.464 0.218 271.3)
Closest name: Blurple (#5539cc)Relative luminance 0.0887

Colors that go with #353fd0

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 →

#d0c535

#358cd0 · #7835d0

#d0353f · #3fd035

Split-complementary

Open in tool →

#d07835 · #8cd035

#d0358c · #d0c535 · #35d078

Contrast

#353fd0 as textRatioAAAA largeAAAFix
Aaon white
7.57:1passpasspassPasses AAA — no fix needed.
Aaon black
2.77:1failfailfail
  • AA: use #626ada as the text (4.59:1)
  • AAA: use #8b91e4 as the text (7.27:1)
  • AA: or shift the background to #c9c9c9 (4.57:1)
  • AAA: or shift the background to #f7f7f7 (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 #353fd0 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

#353fd0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #353fd0
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 #353fd0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/353fd0-9e9cc4-df8f4e-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