Color

#437684

#437684
hex#437684
rgbrgb(67, 118, 132)
hslhsl(193, 33%, 39%)
oklchoklch(0.536 0.059 217.5)
Closest name: Calypso (#3d7188)Relative luminance 0.1582

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#845143

#438472 · #435584

#844376 · #768443

Split-complementary

Open in tool →

#844355 · #847243

#724384 · #845143 · #558443

Contrast

#437684 as textRatioAAAA largeAAAFix
Aaon white
5.04:1passpassfail
  • AAA: use #355e69 as the text (7.1:1)
Aaon black
4.16:1failpassfail
  • AA: use #467c8b as the text (4.52:1)
  • AAA: use #609eaf as the text (7.01:1)
  • AA: or shift the background to #f2f2f2 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #437684 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 #437684
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #437684 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/437684-a2b5be-df4e75-1f242d-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