Color

#2b6ebf

#2b6ebf
hex#2b6ebf
rgbrgb(43, 110, 191)
hslhsl(213, 63%, 46%)
oklchoklch(0.538 0.143 255.2)
Closest name: Campanula (#3473b7)Relative luminance 0.1543

Colors that go with #2b6ebf

Charcoal, Crimson and Amber 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 →

#bf7d2b

#2bb8bf · #332bbf

#bf2b6e · #6ebf2b

Split-complementary

Open in tool →

#bf332b · #b8bf2b

#bf2bb8 · #bf7d2b · #2bbf33

Contrast

#2b6ebf as textRatioAAAA largeAAAFix
Aaon white
5.14:1passpassfail
  • AAA: use #23589a as the text (7.16:1)
Aaon black
4.09:1failpassfail
  • AA: use #2e75cc as the text (4.53:1)
  • AAA: use #6198db as the text (7.02:1)
  • AA: or shift the background to #f0f0f0 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b6ebf as the background.

Brands using this color

Fonts for this mood

#2b6ebf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b6ebf
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 #2b6ebf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b6ebf-9ca9c4-df584e-1f202d-e9f0f1?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