Color

#45515f

#45515f
hex#45515f
rgbrgb(69, 81, 95)
hslhsl(212, 16%, 32%)
oklchoklch(0.43 0.028 252.4)
Closest name: Abyssal (#404c57)Relative luminance 0.0798

Colors that go with #45515f

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 →

#5f5245

#455e5f · #45455f

#5f4551 · #515f45

Split-complementary

Open in tool →

#5f4545 · #5e5f45

#5f455e · #5f5245 · #455f45

Contrast

#45515f as textRatioAAAA largeAAAFix
Aaon white
8.09:1passpasspassPasses AAA — no fix needed.
Aaon black
2.6:1failfailfail
  • AA: use #65778b as the text (4.56:1)
  • AAA: use #8998a9 as the text (7.13:1)
  • AA: or shift the background to #c2c2c2 (4.54:1)
  • AAA: or shift the background to #f0f0f0 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #45515f 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 #45515f
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 #45515f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/45515f-9caac4-df564e-1f202d-e9f1f1?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