Color

#350b74

#350b74
hex#350b74
rgbrgb(53, 11, 116)
hslhsl(264, 83%, 25%)
oklchoklch(0.303 0.156 291.7)
Closest name: Galactic Federation (#330077)Relative luminance 0.0226

Colors that go with #350b74

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 →

#4a750b

#0b1575 · #6a0b75

#75350b · #0b7535

Split-complementary

Open in tool →

#756a0b · #15750b

#750b15 · #4a750b · #0b756a

Contrast

#350b74 as textRatioAAAA largeAAAFix
Aaon white
14.47:1passpasspassPasses AAA — no fix needed.
Aaon black
1.45:1failfailfail
  • AA: use #9152ef as the text (4.66:1)
  • AAA: use #af81f3 as the text (7.26:1)
  • AA: or shift the background to #919191 (4.59:1)
  • AAA: or shift the background to #b5b5b5 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #350b74 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

#350b74 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #350b74
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 #350b74 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/350b74-b19cc4-dfd34e-2b1f2d-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