Color

#3c3f48

#3c3f48
hex#3c3f48
rgbrgb(60, 63, 72)
hslhsl(225, 9%, 26%)
oklchoklch(0.368 0.016 271)
Closest name: Arsenic (#3b444b)Relative luminance 0.0498

Tints & shades

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

Harmonies

Complementary

Open in tool →

#48453c

#3c4548 · #3f3c48

#483c3f · #3f483c

Split-complementary

Open in tool →

#483f3c · #45483c

#483c45 · #48453c · #3c483f

Contrast

#3c3f48 as textRatioAAAA largeAAAFix
Aaon white
10.52:1passpasspassPasses AAA — no fix needed.
Aaon black
2:1failfailfail
  • AA: use #6f7585 as the text (4.56:1)
  • AAA: use #9397a5 as the text (7.21:1)
  • AA: or shift the background to #ababab (4.58:1)
  • AAA: or shift the background to #d4d4d4 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3c3f48 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

#3c3f48 reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3c3f48
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 #3c3f48 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3c3f48-9ca1c4-df754e-221f2d-e9eff1?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