Color

#2f4889

#2f4889
hex#2f4889
rgbrgb(47, 72, 137)
hslhsl(223, 49%, 36%)
oklchoklch(0.417 0.112 265.9)
Closest name: Cascade Twilight (#234893)Relative luminance 0.0705

Colors that go with #2f4889

Sea Green, Steel Blue 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#896f2f

#2f7589 · #422f89

#892f48 · #48892f

Split-complementary

Open in tool →

#89422f · #75892f

#892f75 · #896f2f · #2f8942

Contrast

#2f4889 as textRatioAAAA largeAAAFix
Aaon white
8.72:1passpasspassPasses AAA — no fix needed.
Aaon black
2.41:1failfailfail
  • AA: use #5474c4 as the text (4.67:1)
  • AAA: use #7e96d3 as the text (7.19:1)
  • AA: or shift the background to #bdbdbd (4.64:1)
  • AAA: or shift the background to #e8e8e8 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2f4889 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

#2f4889 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f4889
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 #2f4889 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f4889-9ca3c4-df704e-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