Color

#234d43

#234d43
hex#234d43
rgbrgb(35, 77, 67)
hslhsl(166, 37%, 22%)
oklchoklch(0.387 0.05 175.9)
Closest name: Tropical Forest (#024a43)Relative luminance 0.0607

Colors that go with #234d43

Sea Green, Teal and Blue 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 →

#4d232d

#234d2e · #23424d

#43234d · #4d4323

Split-complementary

Open in tool →

#4d2342 · #4d2e23

#2e234d · #4d232d · #424d23

Contrast

#234d43 as textRatioAAAA largeAAAFix
Aaon white
9.48:1passpasspassPasses AAA — no fix needed.
Aaon black
2.21:1failfailfail
  • AA: use #3b8171 as the text (4.56:1)
  • AAA: use #4ca490 as the text (7.02:1)
  • AA: or shift the background to #b3b3b3 (4.52:1)
  • AAA: or shift the background to #dedede (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #234d43 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#234d43 reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #234d43
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 #234d43 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/234d43-a2bebb-d459b1-1f2a2d-e9f1ec?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