Color

#350b65

#350b65
hex#350b65
rgbrgb(53, 11, 101)
hslhsl(268, 80%, 22%)
oklchoklch(0.286 0.14 297.3)
Closest name: Cotinga Purple (#340059)Relative luminance 0.0194

Colors that go with #350b65

Charcoal, Royal Blue and Cobalt 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 →

#3b650b

#0b0e65 · #620b65

#65350b · #0b6535

Split-complementary

Open in tool →

#65620b · #0e650b

#650b0e · #3b650b · #0b6562

Contrast

#350b65 as textRatioAAAA largeAAAFix
Aaon white
15.14:1passpasspassPasses AAA — no fix needed.
Aaon black
1.39:1failfailfail
  • AA: use #964ceb as the text (4.53:1)
  • AAA: use #b47ef1 as the text (7.2:1)
  • AA: or shift the background to #8c8c8c (4.5:1)
  • AAA: or shift the background to #b3b3b3 (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #350b65 as the background.

Brands using this color

Fonts for this mood

#350b65 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #350b65
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 #350b65 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/350b65-b39cc4-dfdc4e-2c1f2d-e9eaf1?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