Color

#3682ce

#3682ce
hex#3682ce
rgbrgb(54, 130, 206)
hslhsl(210, 61%, 51%)
oklchoklch(0.596 0.138 251.3)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.2121

Colors that go with #3682ce

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 →

#ce8236

#36cece · #3636ce

#ce3682 · #82ce36

Split-complementary

Open in tool →

#ce3636 · #cece36

#ce36ce · #ce8236 · #36ce36

Contrast

#3682ce as textRatioAAAA largeAAAFix
Aaon white
4.01:1failpassfail
  • AA: use #2f78c1 as the text (4.59:1)
  • AAA: use #235990 as the text (7.23:1)
  • AA: or shift the background to #141414 (4.6:1)
Aaon black
5.24:1passpassfail
  • AAA: use #5f9cd8 as the text (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3682ce 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

#3682ce reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3682ce
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 #3682ce and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3682ce-9cabc4-df514e-1f202d-e9f1f1?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