Color

#374267

#374267
hex#374267
rgbrgb(55, 66, 103)
hslhsl(226, 30%, 31%)
oklchoklch(0.387 0.065 270.6)
Closest name: Black Turmeric (#2c4364)Relative luminance 0.0569

Colors that go with #374267

Steel Blue, Blue and Blush Pink 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 →

#675c37

#375a67 · #443767

#673742 · #426737

Split-complementary

Open in tool →

#674437 · #5a6737

#67375a · #675c37 · #376744

Contrast

#374267 as textRatioAAAA largeAAAFix
Aaon white
9.82:1passpasspassPasses AAA — no fix needed.
Aaon black
2.14:1failfailfail
  • AA: use #6374ab as the text (4.62:1)
  • AAA: use #8895bf as the text (7.1:1)
  • AA: or shift the background to #b0b0b0 (4.53:1)
  • AAA: or shift the background to #dbdbdb (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #374267 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 #374267
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 #374267 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/374267-9ca1c4-df774e-221f2d-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