Color

#374c68

#374c68
hex#374c68
rgbrgb(55, 76, 104)
hslhsl(214, 31%, 31%)
oklchoklch(0.412 0.054 255.8)
Closest name: Bluedgeons (#324c64)Relative luminance 0.0698

Colors that go with #374c68

Teal, Sienna and 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 →

#685237

#376468 · #3a3768

#68374c · #4c6837

Split-complementary

Open in tool →

#683a37 · #646837

#683764 · #685237 · #37683a

Contrast

#374c68 as textRatioAAAA largeAAAFix
Aaon white
8.76:1passpasspassPasses AAA — no fix needed.
Aaon black
2.4:1failfailfail
  • AA: use #5678a4 as the text (4.62:1)
  • AAA: use #7d97ba as the text (7.01:1)
  • AA: or shift the background to #bababa (4.52:1)
  • AAA: or shift the background to #e6e6e6 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #374c68 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #374c68
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 #374c68 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/374c68-9ca9c4-df5a4e-1f1f2d-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