Color

#3636fc

#3636fc
hex#3636fc
rgbrgb(54, 54, 252)
hslhsl(240, 97%, 60%)
oklchoklch(0.499 0.277 270.4)
Closest name: C64 Blue (#003aff)Relative luminance 0.1045

Colors that go with #3636fc

Charcoal, Amber 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 →

#fcfc36

#3699fc · #9936fc

#fc3636 · #36fc36

Split-complementary

Open in tool →

#fc9936 · #99fc36

#fc3699 · #fcfc36 · #36fc99

Contrast

#3636fc as textRatioAAAA largeAAAFix
Aaon white
6.8:1passpassfail
  • AAA: use #3131fc as the text (7.06:1)
Aaon black
3.09:1failpassfail
  • AA: use #6363fd as the text (4.73:1)
  • AAA: use #8b8bfd as the text (7.21:1)
  • AA: or shift the background to #d4d4d4 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3636fc as the background.

Brands using this color

Fonts for this mood

#3636fc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3636fc
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 #3636fc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3636fc-a19cc4-df994e-251f2d-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