Color

#234243

#234243
hex#234243
rgbrgb(35, 66, 67)
hslhsl(182, 31%, 20%)
oklchoklch(0.356 0.037 198.3)
Closest name: Sunken Harbour (#1c3d44)Relative luminance 0.0466

Colors that go with #234243

Teal, Rust and Amber 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 →

#432423

#234334 · #233243

#432342 · #424323

Split-complementary

Open in tool →

#432332 · #433423

#342343 · #432423 · #324323

Contrast

#234243 as textRatioAAAA largeAAAFix
Aaon white
10.87:1passpasspassPasses AAA — no fix needed.
Aaon black
1.93:1failfailfail
  • AA: use #458082 as the text (4.66:1)
  • AAA: use #56a1a4 as the text (7.03:1)
  • AA: or shift the background to #a8a8a8 (4.57:1)
  • AAA: or shift the background to #d1d1d1 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #234243 as the background.

Brands using this color

Fonts for this mood

#234243 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #234243
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 #234243 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/234243-a2babe-d45990-1f272d-e9f1ee?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