Color

#403d48

#403d48
hex#403d48
rgbrgb(64, 61, 72)
hslhsl(256, 8%, 26%)
oklchoklch(0.367 0.019 297.9)
Closest name: Black Truffle (#463d3e)Relative luminance 0.049

Tints & shades

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

Harmonies

Complementary

Open in tool →

#45483d

#3d3f48 · #453d48

#48403d · #3d4840

Split-complementary

Open in tool →

#48453d · #3f483d

#483d3f · #45483d · #3d4845

Contrast

#403d48 as textRatioAAAA largeAAAFix
Aaon white
10.61:1passpasspassPasses AAA — no fix needed.
Aaon black
1.98:1failfailfail
  • AA: use #787387 as the text (4.6:1)
  • AAA: use #9894a4 as the text (7.11:1)
  • AA: or shift the background to #ababab (4.62:1)
  • AAA: or shift the background to #d4d4d4 (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #403d48 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

#403d48 reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #403d48
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 #403d48 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/403d48-ab9cc4-dfbf4e-291f2d-e9ebf1?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