Color

#3d665c

#3d665c
hex#3d665c
rgbrgb(61, 102, 92)
hslhsl(165, 25%, 32%)
oklchoklch(0.477 0.049 176.8)
Closest name: Deep Pool Teal (#366d68)Relative luminance 0.1127

Colors that go with #3d665c

Charcoal, Blue and Blush Pink lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Real palettes that use #3d665c

Tints & shades

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

Harmonies

Complementary

Open in tool →

#663d47

#3d6647 · #3d5c66

#5c3d66 · #665c3d

Split-complementary

Open in tool →

#663d5c · #66473d

#473d66 · #663d47 · #5c663d

Contrast

#3d665c as textRatioAAAA largeAAAFix
Aaon white
6.45:1passpassfail
  • AAA: use #396056 as the text (7.04:1)
Aaon black
3.25:1failpassfail
  • AA: use #4d8073 as the text (4.65:1)
  • AAA: use #63a192 as the text (7.04:1)
  • AA: or shift the background to #d9d9d9 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3d665c 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 #3d665c
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

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

analyze #3d665c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d665c-a2beba-d459b3-1f2b2d-e9f1eb?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