Color

#423f3e

#423f3e
hex#423f3e
rgbrgb(66, 63, 62)
hslhsl(15, 3%, 25%)
oklchoklch(0.37 0.004 39.4)
Closest name: Black Truffle (#463d3e)Relative luminance 0.0506

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3e4142

#423e3f · #42413e

#3e423f · #3f3e42

Split-complementary

Open in tool →

#3e4241 · #3e3f42

#3f423e · #3e4142 · #413e42

Contrast

#423f3e as textRatioAAAA largeAAAFix
Aaon white
10.44:1passpasspassPasses AAA — no fix needed.
Aaon black
2.01:1failfailfail
  • AA: use #797472 as the text (4.55:1)
  • AAA: use #9a9593 as the text (7.09:1)
  • AA: or shift the background to #ababab (4.54:1)
  • AAA: or shift the background to #d4d4d4 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #423f3e as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#423f3e reads as neutral, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #423f3e
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 #423f3e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/423f3e-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