Color

#40656d

#40656d
hex#40656d
rgbrgb(64, 101, 109)
hslhsl(191, 26%, 34%)
oklchoklch(0.482 0.044 212.8)
Closest name: After the Storm (#33616a)Relative luminance 0.115

Colors that go with #40656d

Charcoal, Steel Blue and Sienna 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 →

#6d4840

#406d5f · #404e6d

#6d4065 · #656d40

Split-complementary

Open in tool →

#6d404e · #6d5f40

#5f406d · #6d4840 · #4e6d40

Contrast

#40656d as textRatioAAAA largeAAAFix
Aaon white
6.36:1passpassfail
  • AAA: use #3a5c64 as the text (7.25:1)
Aaon black
3.3:1failpassfail
  • AA: use #4f7d87 as the text (4.62:1)
  • AAA: use #6b9da8 as the text (7.01:1)
  • AA: or shift the background to #d9d9d9 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #40656d 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 #40656d
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 #40656d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40656d-a2b6be-df4e7a-1f252d-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