Color

#403c48

#403c48
hex#403c48
rgbrgb(64, 60, 72)
hslhsl(260, 9%, 26%)
oklchoklch(0.365 0.021 300.6)
Closest name: Black Truffle (#463d3e)Relative luminance 0.0479

Tints & shades

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

Harmonies

Complementary

Open in tool →

#44483c

#3c3e48 · #463c48

#48403c · #3c4840

Split-complementary

Open in tool →

#48463c · #3e483c

#483c3e · #44483c · #3c4846

Contrast

#403c48 as textRatioAAAA largeAAAFix
Aaon white
10.73:1passpasspassPasses AAA — no fix needed.
Aaon black
1.96:1failfailfail
  • AA: use #797288 as the text (4.58:1)
  • AAA: use #9993a5 as the text (7.07:1)
  • AA: or shift the background to #a8a8a8 (4.51:1)
  • AAA: or shift the background to #d1d1d1 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #403c48 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

#403c48 reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #403c48
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 #403c48 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/403c48-ae9cc4-dfc94e-2a1f2d-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