Color

#2b5eb6

#2b5eb6
hex#2b5eb6
rgbrgb(43, 94, 182)
hslhsl(218, 62%, 44%)
oklchoklch(0.497 0.15 260.5)
Closest name: Denim (#1560bd)Relative luminance 0.119

Colors that go with #2b5eb6

Charcoal, Sea Green 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 →

#b6832b

#2ba3b6 · #3d2bb6

#b62b5e · #5eb62b

Split-complementary

Open in tool →

#b63d2b · #a3b62b

#b62ba3 · #b6832b · #2bb63d

Contrast

#2b5eb6 as textRatioAAAA largeAAAFix
Aaon white
6.21:1passpassfail
  • AAA: use #2755a5 as the text (7.17:1)
Aaon black
3.38:1failpassfail
  • AA: use #3d73d1 as the text (4.57:1)
  • AAA: use #6e97dd as the text (7.13:1)
  • AA: or shift the background to #dedede (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 #2b5eb6 as the background.

Brands using this color

Fonts for this mood

#2b5eb6 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b5eb6
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 #2b5eb6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b5eb6-9ca6c4-df644e-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