Color

#423a45

#423a45
hex#423a45
rgbrgb(66, 58, 69)
hslhsl(284, 9%, 25%)
oklchoklch(0.361 0.021 316.8)
Closest name: Black Truffle (#463d3e)Relative luminance 0.0461

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3d453a

#3d3a45 · #453a43

#45423a · #3a4542

Split-complementary

Open in tool →

#43453a · #3a453d

#453d3a · #3d453a · #3a4345

Contrast

#423a45 as textRatioAAAA largeAAAFix
Aaon white
10.92:1passpasspassPasses AAA — no fix needed.
Aaon black
1.92:1failfailfail
  • AA: use #806f85 as the text (4.53:1)
  • AAA: use #a093a5 as the text (7.21:1)
  • AA: or shift the background to #a8a8a8 (4.59:1)
  • AAA: or shift the background to #cfcfcf (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #423a45 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

#423a45 reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #423a45
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 #423a45 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/423a45-bc9fc1-b1cb62-2d1f2b-ebe9f1?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