Color

#2f4579

#2f4579
hex#2f4579
rgbrgb(47, 69, 121)
hslhsl(222, 44%, 33%)
oklchoklch(0.4 0.092 265.2)
Closest name: Blue Funk (#2d4470)Relative luminance 0.0624

Colors that go with #2f4579

Steel Blue, Blue and Crimson 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 →

#79632f

#2f6a79 · #3e2f79

#792f45 · #45792f

Split-complementary

Open in tool →

#793e2f · #6a792f

#792f6a · #79632f · #2f793e

Contrast

#2f4579 as textRatioAAAA largeAAAFix
Aaon white
9.34:1passpasspassPasses AAA — no fix needed.
Aaon black
2.25:1failfailfail
  • AA: use #5675bd as the text (4.68:1)
  • AAA: use #7e96cd as the text (7.13:1)
  • AA: or shift the background to #b5b5b5 (4.56:1)
  • AAA: or shift the background to #e0e0e0 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2f4579 as the background.

Brands using this color

Fonts for this mood

#2f4579 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f4579
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 #2f4579 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f4579-9ca3c4-df6e4e-211f2d-e9eff1?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