Color

#40707d

#40707d
hex#40707d
rgbrgb(64, 112, 125)
hslhsl(193, 32%, 37%)
oklchoklch(0.516 0.056 217.2)
Closest name: Calypso (#3d7188)Relative luminance 0.1416

Colors that go with #40707d

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 #40707d

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7d4d40

#407d6b · #40517d

#7d406f · #6f7d40

Split-complementary

Open in tool →

#7d4051 · #7d6b40

#6b407d · #7d4d40 · #517d40

Contrast

#40707d as textRatioAAAA largeAAAFix
Aaon white
5.48:1passpassfail
  • AAA: use #365d68 as the text (7.19:1)
Aaon black
3.83:1failpassfail
  • AA: use #477c8a as the text (4.52:1)
  • AAA: use #649faf as the text (7.12:1)
  • AA: or shift the background to #ebebeb (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #40707d 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 #40707d
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 #40707d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40707d-a2b5be-df4e75-1f242d-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