Color

#40484f

#40484f
hex#40484f
rgbrgb(64, 72, 79)
hslhsl(208, 10%, 28%)
oklchoklch(0.397 0.016 244.6)
Closest name: Abyssal (#404c57)Relative luminance 0.0629

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4f4740

#404f4e · #40414f

#4f4048 · #484f40

Split-complementary

Open in tool →

#4f4041 · #4f4e40

#4e404f · #4f4740 · #414f40

Contrast

#40484f as textRatioAAAA largeAAAFix
Aaon white
9.3:1passpasspassPasses AAA — no fix needed.
Aaon black
2.26:1failfailfail
  • AA: use #6a7681 as the text (4.52:1)
  • AAA: use #8c97a1 as the text (7.06:1)
  • AA: or shift the background to #b5b5b5 (4.54:1)
  • AAA: or shift the background to #e0e0e0 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #40484f 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

#40484f reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #40484f
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 #40484f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40484f-9cadc4-df4e51-1f212d-e9f1f1?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