Color

#545c64

#545c64
hex#545c64
rgbrgb(84, 92, 100)
hslhsl(210, 9%, 36%)
oklchoklch(0.471 0.016 248.2)
Closest name: Blindfolded (#5a5e61)Relative luminance 0.1046

Tints & shades

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

Harmonies

Complementary

Open in tool →

#645c54

#546464 · #545464

#64545c · #5c6454

Split-complementary

Open in tool →

#645454 · #646454

#645464 · #645c54 · #546454

Contrast

#545c64 as textRatioAAAA largeAAAFix
Aaon white
6.79:1passpassfail
  • AAA: use #515961 as the text (7.12:1)
Aaon black
3.09:1failpassfail
  • AA: use #6d7883 as the text (4.66:1)
  • AAA: use #8d96a0 as the text (7:1)
  • AA: or shift the background to #d4d4d4 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #545c64 as the background.

Brands using this color

Fonts for this mood

#545c64 reads as muted, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #545c64
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 #545c64 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/545c64-9cabc4-df514e-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