Color

#2b87ab

#2b87ab
hex#2b87ab
rgbrgb(43, 135, 171)
hslhsl(197, 60%, 42%)
oklchoklch(0.586 0.1 228.6)
Closest name: Ahoy! Blue (#0082a1)Relative luminance 0.2078

Colors that go with #2b87ab

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 #2b87ab

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ab4f2b

#2bab90 · #2b47ab

#ab2b87 · #87ab2b

Split-complementary

Open in tool →

#ab2b47 · #ab902b

#902bab · #ab4f2b · #47ab2b

Contrast

#2b87ab as textRatioAAAA largeAAAFix
Aaon white
4.07:1failpassfail
  • AA: use #287d9f as the text (4.64:1)
  • AAA: use #1e5d76 as the text (7.29:1)
  • AA: or shift the background to #141414 (4.52:1)
Aaon black
5.16:1passpassfail
  • AAA: use #33a1cc as the text (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 #2b87ab as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#2b87ab reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b87ab
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 #2b87ab and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b87ab-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