Color

#437884

#437884
hex#437884
rgbrgb(67, 120, 132)
hslhsl(191, 33%, 39%)
oklchoklch(0.541 0.059 214)
Closest name: Calypso (#3d7188)Relative luminance 0.1629

Colors that go with #437884

Charcoal, Sienna and Amber 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 →

#844f43

#43846f · #435784

#844378 · #788443

Split-complementary

Open in tool →

#844357 · #846f43

#6f4384 · #844f43 · #578443

Contrast

#437884 as textRatioAAAA largeAAAFix
Aaon white
4.93:1passpassfail
  • AAA: use #335c66 as the text (7.33:1)
Aaon black
4.26:1failpassfail
  • AA: use #467e8b as the text (4.62:1)
  • AAA: use #60a0af as the text (7.14:1)
  • AA: or shift the background to #f5f5f5 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #437884 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 #437884
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 #437884 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/437884-a2b6be-df4e7a-1f252d-e9f1ef?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