Color

#43637a

#43637a
hex#43637a
rgbrgb(67, 99, 122)
hslhsl(205, 29%, 37%)
oklchoklch(0.484 0.053 240.5)
Closest name: Admiral Blue (#50647f)Relative luminance 0.1152

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7a5a43

#437a75 · #43487a

#7a4363 · #637a43

Split-complementary

Open in tool →

#7a4348 · #7a7543

#75437a · #7a5a43 · #487a43

Contrast

#43637a as textRatioAAAA largeAAAFix
Aaon white
6.36:1passpassfail
  • AAA: use #3e5b70 as the text (7.15:1)
Aaon black
3.3:1failpassfail
  • AA: use #537b97 as the text (4.65:1)
  • AAA: use #789cb5 as the text (7.22:1)
  • AA: or shift the background to #d9d9d9 (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #43637a as the background.

Brands using this color

mcpConnect your agent — build around #43637a
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 #43637a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/43637a-9cafc4-df4e58-1f212d-e9f1f0?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