Color

#405254

#405254
hex#405254
rgbrgb(64, 82, 84)
hslhsl(186, 14%, 29%)
oklchoklch(0.424 0.023 204.7)
Closest name: All Nighter (#455454)Relative luminance 0.0776

Colors that go with #405254

Blue, Cadet Blue and Champagne 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 →

#544240

#40544c · #404854

#544052 · #525440

Split-complementary

Open in tool →

#544048 · #544c40

#4c4054 · #544240 · #485440

Contrast

#405254 as textRatioAAAA largeAAAFix
Aaon white
8.23:1passpasspassPasses AAA — no fix needed.
Aaon black
2.55:1failfailfail
  • AA: use #5e7a7d as the text (4.56:1)
  • AAA: use #7f9b9f as the text (7.09:1)
  • AA: or shift the background to #c2c2c2 (4.62:1)
  • AAA: or shift the background to #ededed (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #405254 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

#405254 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #405254
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 #405254 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/405254-a2b8be-df4e86-1f262d-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