Color

#2866bd

#2866bd
hex#2866bd
rgbrgb(40, 102, 189)
hslhsl(215, 65%, 45%)
oklchoklch(0.518 0.151 257.7)
Closest name: Denim (#1560bd)Relative luminance 0.1363

Colors that go with #2866bd

Charcoal, Crimson and Sienna 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 →

#bd7f28

#28b1bd · #3528bd

#bd2866 · #66bd28

Split-complementary

Open in tool →

#bd3528 · #b1bd28

#bd28b1 · #bd7f28 · #28bd35

Contrast

#2866bd as textRatioAAAA largeAAAFix
Aaon white
5.64:1passpassfail
  • AAA: use #2256a0 as the text (7.22:1)
Aaon black
3.73:1failpassfail
  • AA: use #3175d3 as the text (4.62:1)
  • AAA: use #6899df as the text (7.21:1)
  • AA: or shift the background to #e6e6e6 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2866bd as the background.

Brands using this color

Fonts for this mood

#2866bd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2866bd
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 #2866bd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2866bd-9ca8c4-df5d4e-201f2d-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