Color

#233f48

#233f48
hex#233f48
rgbrgb(35, 63, 72)
hslhsl(195, 35%, 21%)
oklchoklch(0.349 0.037 220.6)
Closest name: Sunken Harbour (#1c3d44)Relative luminance 0.0438

Colors that go with #233f48

Dark Olive Green, Steel Blue and Teal 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 →

#482c23

#23483f · #232c48

#48233f · #3f4823

Split-complementary

Open in tool →

#48232c · #483f23

#3f2348 · #482c23 · #2c4823

Contrast

#233f48 as textRatioAAAA largeAAAFix
Aaon white
11.19:1passpasspassPasses AAA — no fix needed.
Aaon black
1.88:1failfailfail
  • AA: use #467e91 as the text (4.65:1)
  • AAA: use #619eb3 as the text (7.05:1)
  • AA: or shift the background to #a6a6a6 (4.6:1)
  • AAA: or shift the background to #cfcfcf (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #233f48 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

#233f48 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #233f48
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 #233f48 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/233f48-9cb5c4-df4e70-1f242d-e9f1ef?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