Color

#2b65b6

#2b65b6
hex#2b65b6
rgbrgb(43, 101, 182)
hslhsl(215, 62%, 44%)
oklchoklch(0.512 0.142 257.5)
Closest name: Denim (#1560bd)Relative luminance 0.132

Colors that go with #2b65b6

Charcoal, Crimson and Sea Green 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 →

#b67c2b

#2baab6 · #362bb6

#b62b65 · #65b62b

Split-complementary

Open in tool →

#b6362b · #aab62b

#b62baa · #b67c2b · #2bb636

Contrast

#2b65b6 as textRatioAAAA largeAAAFix
Aaon white
5.77:1passpassfail
  • AAA: use #25579d as the text (7.17:1)
Aaon black
3.64:1failpassfail
  • AA: use #3575d0 as the text (4.61:1)
  • AAA: use #6697db as the text (7.01:1)
  • AA: or shift the background to #e6e6e6 (4.62:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b65b6 as the background.

Brands using this color

Fonts for this mood

#2b65b6 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b65b6
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 #2b65b6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b65b6-9ca8c4-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