Color

#407f82

#407f82
hex#407f82
rgbrgb(64, 127, 130)
hslhsl(183, 34%, 38%)
oklchoklch(0.556 0.065 199.5)
Closest name: Emerald Whispers (#2b8478)Relative luminance 0.1788

Colors that go with #407f82

Charcoal, Rust 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 →

#824340

#408264 · #405e82

#82407f · #7f8240

Split-complementary

Open in tool →

#82405e · #826440

#644082 · #824340 · #5e8240

Contrast

#407f82 as textRatioAAAA largeAAAFix
Aaon white
4.59:1passpassfail
  • AAA: use #2f5d60 as the text (7.35:1)
Aaon black
4.58:1passpassfail
  • AAA: use #52a3a7 as the text (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #407f82 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 #407f82
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 #407f82 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/407f82-a2b9be-d4598e-1f262d-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