Color

#545559

#545559
hex#545559
rgbrgb(84, 85, 89)
hslhsl(228, 3%, 34%)
oklchoklch(0.45 0.007 274.9)
Closest name: Blackwater (#545663)Relative luminance 0.091

Tints & shades

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

Harmonies

Complementary

Open in tool →

#595854

#545859 · #565459

#595455 · #555954

Split-complementary

Open in tool →

#595654 · #585954

#595458 · #595854 · #545956

Contrast

#545559 as textRatioAAAA largeAAAFix
Aaon white
7.45:1passpasspassPasses AAA — no fix needed.
Aaon black
2.82:1failfailfail
  • AA: use #74767b as the text (4.62:1)
  • AAA: use #93959a as the text (7.01:1)
  • AA: or shift the background to #cccccc (4.64:1)
  • AAA: or shift the background to #fafafa (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #545559 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#545559 reads as neutral, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #545559
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #545559 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/545559-a2beb0-c859d4-1f2d2b-eaf1e9?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