Color

#423644

#423644
hex#423644
rgbrgb(66, 54, 68)
hslhsl(291, 11%, 24%)
oklchoklch(0.351 0.029 321.5)
Closest name: Call It a Night (#42364c)Relative luminance 0.0421

Tints & shades

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

Harmonies

Complementary

Open in tool →

#384436

#3b3644 · #44363f

#444236 · #364442

Split-complementary

Open in tool →

#3f4436 · #36443b

#443b36 · #384436 · #363f44

Contrast

#423644 as textRatioAAAA largeAAAFix
Aaon white
11.4:1passpasspassPasses AAA — no fix needed.
Aaon black
1.84:1failfailfail
  • AA: use #846d88 as the text (4.52:1)
  • AAA: use #a391a6 as the text (7.16:1)
  • AA: or shift the background to #a3a3a3 (4.52:1)
  • AAA: or shift the background to #cccccc (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 #423644 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

#423644 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #423644
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 #423644 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/423644-bf9fc1-a4cb62-2d1f29-ece9f1?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