Color

#233c48

#233c48
hex#233c48
rgbrgb(35, 60, 72)
hslhsl(199, 35%, 21%)
oklchoklch(0.341 0.037 230)
Closest name: Sunken Harbour (#1c3d44)Relative luminance 0.0406

Colors that go with #233c48

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 →

#482f23

#234841 · #232a48

#48233c · #3c4823

Split-complementary

Open in tool →

#48232a · #484123

#412348 · #482f23 · #2a4823

Contrast

#233c48 as textRatioAAAA largeAAAFix
Aaon white
11.59:1passpasspassPasses AAA — no fix needed.
Aaon black
1.81:1failfailfail
  • AA: use #477c94 as the text (4.58:1)
  • AAA: use #689db6 as the text (7.09:1)
  • AA: or shift the background to #a3a3a3 (4.6:1)
  • AAA: or shift the background to #c9c9c9 (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #233c48 as the background.

Brands using this color

Fonts for this mood

#233c48 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #233c48
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 #233c48 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/233c48-9cb3c4-df4e66-1f232d-e9f1f0?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