Color

#40544c

#40544c
hex#40544c
rgbrgb(64, 84, 76)
hslhsl(156, 14%, 29%)
oklchoklch(0.426 0.028 168.6)
Closest name: All Nighter (#455454)Relative luminance 0.0795

Colors that go with #40544c

Blue, Cadet Blue and Copper 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 #40544c

Tints & shades

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

Harmonies

Complementary

Open in tool →

#544048

#405442 · #405254

#4c4054 · #544c40

Split-complementary

Open in tool →

#544052 · #544240

#424054 · #544048 · #525440

Contrast

#40544c as textRatioAAAA largeAAAFix
Aaon white
8.11:1passpasspassPasses AAA — no fix needed.
Aaon black
2.59:1failfailfail
  • AA: use #5e7d71 as the text (4.65:1)
  • AAA: use #7c9c8f as the text (7.01:1)
  • AA: or shift the background to #c2c2c2 (4.55:1)
  • AAA: or shift the background to #f0f0f0 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #40544c 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

#40544c reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #40544c
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 #40544c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40544c-a2beb6-d459c6-1f2d2d-e9f1ea?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