Color

#403c44

#403c44
hex#403c44
rgbrgb(64, 60, 68)
hslhsl(270, 6%, 25%)
oklchoklch(0.363 0.015 308)
Closest name: Black Truffle (#463d3e)Relative luminance 0.0474

Tints & shades

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

Harmonies

Complementary

Open in tool →

#40443c

#3c3c44 · #443c44

#44403c · #3c4440

Split-complementary

Open in tool →

#44443c · #3c443c

#443c3c · #40443c · #3c4444

Contrast

#403c44 as textRatioAAAA largeAAAFix
Aaon white
10.78:1passpasspassPasses AAA — no fix needed.
Aaon black
1.95:1failfailfail
  • AA: use #7a7382 as the text (4.6:1)
  • AAA: use #99939f as the text (7.03:1)
  • AA: or shift the background to #a8a8a8 (4.53:1)
  • AAA: or shift the background to #d1d1d1 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #403c44 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

#403c44 reads as neutral, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #403c44
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 #403c44 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/403c44-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