Color

#3d707f

#3d707f
hex#3d707f
rgbrgb(61, 112, 127)
hslhsl(194, 35%, 37%)
oklchoklch(0.516 0.06 219)
Closest name: Calypso (#3d7188)Relative luminance 0.1411

Colors that go with #3d707f

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.

Real palettes that use #3d707f

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7f4d3d

#3d7f6e · #3d4f7f

#7f3d70 · #707f3d

Split-complementary

Open in tool →

#7f3d4f · #7f6e3d

#6e3d7f · #7f4d3d · #4f7f3d

Contrast

#3d707f as textRatioAAAA largeAAAFix
Aaon white
5.49:1passpassfail
  • AAA: use #335e6b as the text (7.11:1)
Aaon black
3.82:1failpassfail
  • AA: use #447c8d as the text (4.51:1)
  • AAA: use #61a0b3 as the text (7.19:1)
  • AA: or shift the background to #ebebeb (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3d707f as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#3d707f reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3d707f
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 #3d707f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d707f-9cb6c4-df4e72-1f242d-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