Color

#423337

#423337
hex#423337
rgbrgb(66, 51, 55)
hslhsl(344, 13%, 23%)
oklchoklch(0.339 0.023 0.6)
Closest name: After Dark (#3c3535)Relative luminance 0.038

Colors that go with #423337

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 →

#33423e

#42333f · #423733

#374233 · #333742

Split-complementary

Open in tool →

#334237 · #333f42

#3f4233 · #33423e · #373342

Contrast

#423337 as textRatioAAAA largeAAAFix
Aaon white
11.93:1passpasspassPasses AAA — no fix needed.
Aaon black
1.76:1failfailfail
  • AA: use #8d6d75 as the text (4.58:1)
  • AAA: use #a88f96 as the text (7.03:1)
  • AA: or shift the background to #a1a1a1 (4.62:1)
  • AAA: or shift the background to #c7c7c7 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #423337 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#423337 reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #423337
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 #423337 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/423337-c49ca2-62cb7c-2d221f-f1e9ef?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