Color

#37516d

#37516d
hex#37516d
rgbrgb(55, 81, 109)
hslhsl(211, 33%, 32%)
oklchoklch(0.426 0.057 251)
Closest name: Bluedgeons (#324c64)Relative luminance 0.078

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6d5237

#376c6d · #38376d

#6d3751 · #516d37

Split-complementary

Open in tool →

#6d3837 · #6c6d37

#6d376c · #6d5237 · #376d38

Contrast

#37516d as textRatioAAAA largeAAAFix
Aaon white
8.2:1passpasspassPasses AAA — no fix needed.
Aaon black
2.56:1failfailfail
  • AA: use #5279a3 as the text (4.62:1)
  • AAA: use #7b9abc as the text (7.19:1)
  • AA: or shift the background to #c2c2c2 (4.6:1)
  • AAA: or shift the background to #ededed (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #37516d 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 #37516d
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 #37516d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/37516d-9cabc4-df534e-1f202d-e9f1f1?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