Color

#59515c

#59515c
hex#59515c
rgbrgb(89, 81, 92)
hslhsl(284, 6%, 34%)
oklchoklch(0.447 0.02 316.9)
Closest name: Black Orchid (#525463)Relative luminance 0.0878

Tints & shades

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

Harmonies

Complementary

Open in tool →

#545c51

#54515c · #5c5159

#5c5951 · #515c59

Split-complementary

Open in tool →

#595c51 · #515c54

#5c5451 · #545c51 · #51595c

Contrast

#59515c as textRatioAAAA largeAAAFix
Aaon white
7.62:1passpasspassPasses AAA — no fix needed.
Aaon black
2.76:1failfailfail
  • AA: use #7b717f as the text (4.51:1)
  • AAA: use #9c939f as the text (7.09:1)
  • AA: or shift the background to #c7c7c7 (4.51:1)
  • AAA: or shift the background to #f7f7f7 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #59515c 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

#59515c reads as neutral, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #59515c
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 #59515c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/59515c-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