Color

#2b4369

#2b4369
hex#2b4369
rgbrgb(43, 67, 105)
hslhsl(217, 42%, 29%)
oklchoklch(0.382 0.072 259.3)
Closest name: Black Turmeric (#2c4364)Relative luminance 0.0555

Colors that go with #2b4369

Teal, Blue and Blush Pink 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 →

#69512b

#2b6269 · #322b69

#692b43 · #43692b

Split-complementary

Open in tool →

#69322b · #62692b

#692b62 · #69512b · #2b6932

Contrast

#2b4369 as textRatioAAAA largeAAAFix
Aaon white
9.95:1passpasspassPasses AAA — no fix needed.
Aaon black
2.11:1failfailfail
  • AA: use #4e76b7 as the text (4.6:1)
  • AAA: use #7997c8 as the text (7.07:1)
  • AA: or shift the background to #b0b0b0 (4.59:1)
  • AAA: or shift the background to #d9d9d9 (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 #2b4369 as the background.

Brands using this color

Fonts for this mood

#2b4369 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b4369
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 #2b4369 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b4369-9ca7c4-df624e-201f2d-e9f0f1?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