Color

#3576ed

#3576ed
hex#3576ed
rgbrgb(53, 118, 237)
hslhsl(219, 84%, 57%)
oklchoklch(0.59 0.192 261.2)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.1983

Colors that go with #3576ed

Charcoal, Crimson and Copper 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 →

#edad35

#35d2ed · #5135ed

#ed3576 · #76ed35

Split-complementary

Open in tool →

#ed5135 · #d2ed35

#ed35d2 · #edad35 · #35ed51

Contrast

#3576ed as textRatioAAAA largeAAAFix
Aaon white
4.23:1failpassfail
  • AA: use #2c6fed as the text (4.56:1)
  • AAA: use #1150c5 as the text (7.05:1)
  • AA: or shift the background to #0f0f0f (4.53:1)
Aaon black
4.97:1passpassfail
  • AAA: use #6496f2 as the text (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3576ed 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

#3576ed reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3576ed
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 #3576ed and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3576ed-9ca5c4-df664e-211f2d-e9f0f1?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