Color

#3634bc

#3634bc
hex#3634bc
rgbrgb(54, 52, 188)
hslhsl(241, 57%, 47%)
oklchoklch(0.429 0.205 274.2)
Closest name: Galactic Highway (#3311bb)Relative luminance 0.0687

Colors that go with #3634bc

Midnight Blue, Orange Red and Royal 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.

Real palettes that use #3634bc

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#babc34

#3476bc · #7a34bc

#bc3634 · #34bc36

Split-complementary

Open in tool →

#bc7a34 · #76bc34

#bc3476 · #babc34 · #34bc7a

Contrast

#3634bc as textRatioAAAA largeAAAFix
Aaon white
8.85:1passpasspassPasses AAA — no fix needed.
Aaon black
2.37:1failfailfail
  • AA: use #6967d5 as the text (4.5:1)
  • AAA: use #908fe0 as the text (7.19:1)
  • AA: or shift the background to #bababa (4.56:1)
  • AAA: or shift the background to #e6e6e6 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3634bc 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

#3634bc reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3634bc
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 #3634bc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3634bc-a19cc4-df9b4e-261f2d-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