Color

#2b879c

#2b879c
hex#2b879c
rgbrgb(43, 135, 156)
hslhsl(191, 57%, 39%)
oklchoklch(0.579 0.089 216.3)
Closest name: Ahoy! Blue (#0082a1)Relative luminance 0.2024

Colors that go with #2b879c

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9c402b

#2b9c78 · #2b4f9c

#9c2b87 · #879c2b

Split-complementary

Open in tool →

#9c2b4f · #9c782b

#782b9c · #9c402b · #4f9c2b

Contrast

#2b879c as textRatioAAAA largeAAAFix
Aaon white
4.16:1failpassfail
  • AA: use #298094 as the text (4.56:1)
  • AAA: use #1e5e6c as the text (7.31:1)
  • AA: or shift the background to #121212 (4.5:1)
Aaon black
5.05:1passpassfail
  • AAA: use #34a3bc 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 #2b879c 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

#2b879c reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b879c
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 #2b879c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b879c-a2b6be-df4e7a-1f252d-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