Color

#5b5661

#5b5661
hex#5b5661
rgbrgb(91, 86, 97)
hslhsl(267, 6%, 36%)
oklchoklch(0.462 0.019 306.1)
Closest name: Blackwater (#545663)Relative luminance 0.0974

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5c6156

#565761 · #615661

#615b56 · #56615b

Split-complementary

Open in tool →

#616156 · #576156

#615657 · #5c6156 · #566161

Contrast

#5b5661 as textRatioAAAA largeAAAFix
Aaon white
7.12:1passpasspassPasses AAA — no fix needed.
Aaon black
2.95:1failfailfail
  • AA: use #7a7382 as the text (4.6:1)
  • AAA: use #98939f as the text (7.01:1)
  • AA: or shift the background to #cfcfcf (4.57:1)
  • AAA: or shift the background to #ffffff (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5b5661 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

#5b5661 reads as neutral, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5b5661
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 #5b5661 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5b5661-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