Color

#3a3c41

#3a3c41
hex#3a3c41
rgbrgb(58, 60, 65)
hslhsl(223, 6%, 24%)
oklchoklch(0.356 0.009 268.4)
Closest name: After Midnight (#38393f)Relative luminance 0.0451

Tints & shades

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

Harmonies

Complementary

Open in tool →

#413f3a

#3a3f41 · #3b3a41

#413a3c · #3c413a

Split-complementary

Open in tool →

#413b3a · #3f413a

#413a3f · #413f3a · #3a413b

Contrast

#3a3c41 as textRatioAAAA largeAAAFix
Aaon white
11.04:1passpasspassPasses AAA — no fix needed.
Aaon black
1.9:1failfailfail
  • AA: use #71757f as the text (4.55:1)
  • AAA: use #93969f as the text (7.1:1)
  • AA: or shift the background to #a6a6a6 (4.53:1)
  • AAA: or shift the background to #cfcfcf (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3a3c41 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

#3a3c41 reads as neutral, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3a3c41
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 #3a3c41 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3a3c41-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