Color

#2a87ac

#2a87ac
hex#2a87ac
rgbrgb(42, 135, 172)
hslhsl(197, 61%, 42%)
oklchoklch(0.586 0.101 229.2)
Closest name: Ahoy! Blue (#0082a1)Relative luminance 0.208

Colors that go with #2a87ac

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 #2a87ac

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ac4f2a

#2aac90 · #2a46ac

#ac2a87 · #87ac2a

Split-complementary

Open in tool →

#ac2a46 · #ac902a

#902aac · #ac4f2a · #46ac2a

Contrast

#2a87ac as textRatioAAAA largeAAAFix
Aaon white
4.07:1failpassfail
  • AA: use #277ea0 as the text (4.59:1)
  • AAA: use #1d5d77 as the text (7.28:1)
  • AA: or shift the background to #141414 (4.53:1)
Aaon black
5.16:1passpassfail
  • AAA: use #32a1cd as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a87ac as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#2a87ac reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a87ac
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 #2a87ac and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a87ac-9cb4c4-df4e6b-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