Color

#233d3e

#233d3e
hex#233d3e
rgbrgb(35, 61, 62)
hslhsl(182, 28%, 19%)
oklchoklch(0.34 0.032 198.9)
Closest name: Sunken Harbour (#1c3d44)Relative luminance 0.0404

Colors that go with #233d3e

Sienna, 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 →

#3e2423

#233e31 · #23303e

#3e233d · #3d3e23

Split-complementary

Open in tool →

#3e2330 · #3e3123

#31233e · #3e2423 · #303e23

Contrast

#233d3e as textRatioAAAA largeAAAFix
Aaon white
11.61:1passpasspassPasses AAA — no fix needed.
Aaon black
1.81:1failfailfail
  • AA: use #487d7f as the text (4.52:1)
  • AAA: use #5ca1a3 as the text (7.08:1)
  • AA: or shift the background to #a3a3a3 (4.6:1)
  • AAA: or shift the background to #c9c9c9 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #233d3e 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

#233d3e reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #233d3e
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 #233d3e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/233d3e-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