Color

#374877

#374877
hex#374877
rgbrgb(55, 72, 119)
hslhsl(224, 37%, 34%)
oklchoklch(0.41 0.082 267.7)
Closest name: Blue Funk (#2d4470)Relative luminance 0.0678

Colors that go with #374877

Steel Blue, Blue and Cadet 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 →

#776637

#376877 · #463777

#773748 · #487737

Split-complementary

Open in tool →

#774637 · #687737

#773768 · #776637 · #377746

Contrast

#374877 as textRatioAAAA largeAAAFix
Aaon white
8.91:1passpasspassPasses AAA — no fix needed.
Aaon black
2.36:1failfailfail
  • AA: use #5b72b3 as the text (4.5:1)
  • AAA: use #8596c7 as the text (7.18:1)
  • AA: or shift the background to #bababa (4.59:1)
  • AAA: or shift the background to #e6e6e6 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #374877 as the background.

Brands using this color

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

Palettes built around it

Fonts for this mood

#374877 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #374877
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 #374877 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/374877-9ca2c4-df724e-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