Color

#2b4664

#2b4664
hex#2b4664
rgbrgb(43, 70, 100)
hslhsl(212, 40%, 28%)
oklchoklch(0.387 0.061 252)
Closest name: Black Turmeric (#2c4364)Relative luminance 0.0581

Colors that go with #2b4664

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 →

#64492b

#2b6264 · #2d2b64

#642b45 · #45642b

Split-complementary

Open in tool →

#642d2b · #62642b

#642b62 · #64492b · #2b642d

Contrast

#2b4664 as textRatioAAAA largeAAAFix
Aaon white
9.71:1passpasspassPasses AAA — no fix needed.
Aaon black
2.16:1failfailfail
  • AA: use #4977ab as the text (4.51:1)
  • AAA: use #7499c3 as the text (7.09:1)
  • AA: or shift the background to #b3b3b3 (4.63:1)
  • AAA: or shift the background to #dbdbdb (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 #2b4664 as the background.

Brands using this color

Fonts for this mood

#2b4664 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b4664
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 #2b4664 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b4664-9caac4-df564e-1f202d-e9f1f1?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