Color

#3d6776

#3d6776
hex#3d6776
rgbrgb(61, 103, 118)
hslhsl(196, 32%, 35%)
oklchoklch(0.489 0.053 222.9)
Closest name: Atlantis (#336172)Relative luminance 0.12

Colors that go with #3d6776

Charcoal, Sienna and Amber 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#764c3d

#3d7668 · #3d4a76

#763d67 · #67763d

Split-complementary

Open in tool →

#763d4a · #76683d

#683d76 · #764c3d · #4a763d

Contrast

#3d6776 as textRatioAAAA largeAAAFix
Aaon white
6.18:1passpassfail
  • AAA: use #375e6c as the text (7.05:1)
Aaon black
3.4:1failpassfail
  • AA: use #497b8d as the text (4.5:1)
  • AAA: use #689db1 as the text (7.05:1)
  • AA: or shift the background to #dedede (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 #3d6776 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 #3d6776
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 #3d6776 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d6776-9cb5c4-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