Color

#2f5a74

#2f5a74
hex#2f5a74
rgbrgb(47, 90, 116)
hslhsl(203, 42%, 32%)
oklchoklch(0.448 0.064 237.1)
Closest name: Atlantis (#336172)Relative luminance 0.0918

Colors that go with #2f5a74

Royal Blue, Sienna and Blue 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.

Real palettes that use #2f5a74

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#744a2f

#2f746c · #2f3774

#742f5a · #5a742f

Split-complementary

Open in tool →

#742f37 · #746c2f

#6c2f74 · #744a2f · #37742f

Contrast

#2f5a74 as textRatioAAAA largeAAAFix
Aaon white
7.41:1passpasspassPasses AAA — no fix needed.
Aaon black
2.84:1failfailfail
  • AA: use #417b9f as the text (4.56:1)
  • AAA: use #639cbf as the text (7.04:1)
  • AA: or shift the background to #cccccc (4.61:1)
  • AAA: or shift the background to #fafafa (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2f5a74 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#2f5a74 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f5a74
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 #2f5a74 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f5a74-9cb0c4-df4e5d-1f222d-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