Color

#42333a

#42333a
hex#42333a
rgbrgb(66, 51, 58)
hslhsl(332, 13%, 23%)
oklchoklch(0.34 0.024 348.7)
Closest name: After Dark (#3c3535)Relative luminance 0.0383

Colors that go with #42333a

Amber, Blue and Blush Pink lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#33423b

#423342 · #423433

#3a4233 · #333a42

Split-complementary

Open in tool →

#334234 · #334242

#424233 · #33423b · #343342

Contrast

#42333a as textRatioAAAA largeAAAFix
Aaon white
11.89:1passpasspassPasses AAA — no fix needed.
Aaon black
1.77:1failfailfail
  • AA: use #8d6d7c as the text (4.61:1)
  • AAA: use #a88f9b as the text (7.07:1)
  • AA: or shift the background to #a1a1a1 (4.6:1)
  • AAA: or shift the background to #c7c7c7 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #42333a 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

#42333a reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #42333a
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #42333a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42333a-c49caa-62cb67-2d1f20-f1e9f1?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