Color

#4b404f

#4b404f
hex#4b404f
rgbrgb(75, 64, 79)
hslhsl(284, 10%, 28%)
oklchoklch(0.389 0.029 317)
Closest name: Black Magic (#4f4554)Relative luminance 0.0573

Tints & shades

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

Harmonies

Complementary

Open in tool →

#444f40

#44404f · #4f404b

#4f4b40 · #404f4b

Split-complementary

Open in tool →

#4b4f40 · #404f44

#4f4440 · #444f40 · #404b4f

Contrast

#4b404f as textRatioAAAA largeAAAFix
Aaon white
9.79:1passpasspassPasses AAA — no fix needed.
Aaon black
2.15:1failfailfail
  • AA: use #837089 as the text (4.64:1)
  • AAA: use #a092a5 as the text (7.15:1)
  • AA: or shift the background to #b0b0b0 (4.51:1)
  • AAA: or shift the background to #dbdbdb (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4b404f 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

#4b404f reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4b404f
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 #4b404f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4b404f-bc9fc1-b1cb62-2d1f2b-ebe9f1?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