Color

#2f456f

#2f456f
hex#2f456f
rgbrgb(47, 69, 111)
hslhsl(219, 41%, 31%)
oklchoklch(0.393 0.077 262.4)
Closest name: Blue Funk (#2d4470)Relative luminance 0.0601

Colors that go with #2f456f

Blue, Cadet 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 →

#6f592f

#2f666f · #382f6f

#6f2f45 · #456f2f

Split-complementary

Open in tool →

#6f382f · #666f2f

#6f2f66 · #6f592f · #2f6f38

Contrast

#2f456f as textRatioAAAA largeAAAFix
Aaon white
9.54:1passpasspassPasses AAA — no fix needed.
Aaon black
2.2:1failfailfail
  • AA: use #5276b7 as the text (4.63:1)
  • AAA: use #7e98c9 as the text (7.22:1)
  • AA: or shift the background to #b3b3b3 (4.55:1)
  • AAA: or shift the background to #dedede (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2f456f as the background.

Brands using this color

Fonts for this mood

#2f456f reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f456f
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 #2f456f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f456f-9ca5c4-df664e-211f2d-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