Color

#545b6d

#545b6d
hex#545b6d
rgbrgb(84, 91, 109)
hslhsl(223, 13%, 38%)
oklchoklch(0.472 0.03 268.5)
Closest name: Blackwater (#545663)Relative luminance 0.1047

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6d6654

#54686d · #5a546d

#6d545b · #5b6d54

Split-complementary

Open in tool →

#6d5a54 · #686d54

#6d5468 · #6d6654 · #546d5a

Contrast

#545b6d as textRatioAAAA largeAAAFix
Aaon white
6.79:1passpassfail
  • AAA: use #505768 as the text (7.23:1)
Aaon black
3.09:1failpassfail
  • AA: use #6d768d as the text (4.63:1)
  • AAA: use #8f96a8 as the text (7.1:1)
  • 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 #545b6d as the background.

Brands using this color

mcpConnect your agent — build around #545b6d
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 #545b6d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/545b6d-9ca3c4-df704e-211f2d-e9eff1?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