Color

#3767cd

#3767cd
hex#3767cd
rgbrgb(55, 103, 205)
hslhsl(221, 60%, 51%)
oklchoklch(0.537 0.167 263)
Closest name: God of Rain (#4466cc)Relative luminance 0.1492

Colors that go with #3767cd

Charcoal, Crimson and Medium Sea Green 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 →

#cd9e37

#37b2cd · #5337cd

#cd3767 · #67cd37

Split-complementary

Open in tool →

#cd5337 · #b2cd37

#cd37b2 · #cd9e37 · #37cd53

Contrast

#3767cd as textRatioAAAA largeAAAFix
Aaon white
5.27:1passpassfail
  • AAA: use #2b54ab as the text (7.1:1)
Aaon black
3.98:1failpassfail
  • AA: use #4773d1 as the text (4.64:1)
  • AAA: use #7495dc as the text (7.08:1)
  • AA: or shift the background to #ededed (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3767cd 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

#3767cd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3767cd
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 #3767cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3767cd-9ca4c4-df6b4e-211f2d-e9eff1?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