Color

#4f404c

#4f404c
hex#4f404c
rgbrgb(79, 64, 76)
hslhsl(312, 10%, 28%)
oklchoklch(0.392 0.028 333)
Closest name: Black Magic (#4f4554)Relative luminance 0.0585

Tints & shades

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

Harmonies

Complementary

Open in tool →

#404f43

#4a404f · #4f4045

#4c4f40 · #404c4f

Split-complementary

Open in tool →

#454f40 · #404f4a

#4f4a40 · #404f43 · #40454f

Contrast

#4f404c as textRatioAAAA largeAAAFix
Aaon white
9.68:1passpasspassPasses AAA — no fix needed.
Aaon black
2.17:1failfailfail
  • AA: use #876e82 as the text (4.58:1)
  • AAA: use #a592a2 as the text (7.23:1)
  • AA: or shift the background to #b3b3b3 (4.62:1)
  • AAA: or shift the background to #dedede (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4f404c 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

#4f404c reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4f404c
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 #4f404c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4f404c-c19fb6-80cb62-2d1f24-efe9f1?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