Color

#2787aa

#2787aa
hex#2787aa
rgbrgb(39, 135, 170)
hslhsl(196, 63%, 41%)
oklchoklch(0.585 0.101 227.3)
Closest name: Ahoy! Blue (#0082a1)Relative luminance 0.2066

Colors that go with #2787aa

Charcoal, Copper 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.

Real palettes that use #2787aa

Tints & shades

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

Harmonies

Complementary

Open in tool →

#aa4a27

#27aa8c · #2745aa

#aa2787 · #87aa27

Split-complementary

Open in tool →

#aa2745 · #aa8c27

#8c27aa · #aa4a27 · #45aa27

Contrast

#2787aa as textRatioAAAA largeAAAFix
Aaon white
4.09:1failpassfail
  • AA: use #247d9e as the text (4.66:1)
  • AAA: use #1b6079 as the text (7.01:1)
  • AA: or shift the background to #141414 (4.5:1)
Aaon black
5.13:1passpassfail
  • AAA: use #2ea2cc as the text (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2787aa as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#2787aa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2787aa
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 #2787aa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2787aa-9cb5c4-df4e6e-1f232d-e9f1ef?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