Color

#37656d

#37656d
hex#37656d
rgbrgb(55, 101, 109)
hslhsl(189, 33%, 32%)
oklchoklch(0.477 0.052 209.9)
Closest name: After the Storm (#33616a)Relative luminance 0.1122

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6d3f37

#376d5a · #374a6d

#6d3764 · #646d37

Split-complementary

Open in tool →

#6d374a · #6d5a37

#5a376d · #6d3f37 · #4a6d37

Contrast

#37656d as textRatioAAAA largeAAAFix
Aaon white
6.47:1passpassfail
  • AAA: use #335e66 as the text (7.16:1)
Aaon black
3.24:1failpassfail
  • AA: use #447e88 as the text (4.59:1)
  • AAA: use #5ca1ad as the text (7.16:1)
  • AA: or shift the background to #d9d9d9 (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #37656d 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 #37656d
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 #37656d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/37656d-a2b7be-df4e7e-1f252d-e9f1ee?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