Color

#436f7f

#436f7f
hex#436f7f
rgbrgb(67, 111, 127)
hslhsl(196, 31%, 38%)
oklchoklch(0.516 0.055 223.2)
Closest name: Calypso (#3d7188)Relative luminance 0.1409

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7f5343

#437f71 · #43517f

#7f436f · #6f7f43

Split-complementary

Open in tool →

#7f4351 · #7f7143

#71437f · #7f5343 · #517f43

Contrast

#436f7f as textRatioAAAA largeAAAFix
Aaon white
5.5:1passpassfail
  • AAA: use #385d6b as the text (7.13:1)
Aaon black
3.82:1failpassfail
  • AA: use #4a7b8c as the text (4.5:1)
  • AAA: use #699db0 as the text (7.05:1)
  • AA: or shift the background to #ebebeb (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #436f7f 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 #436f7f
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 #436f7f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/436f7f-9cb5c4-df4e6e-1f232d-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