Color

#2b52ee

#2b52ee
hex#2b52ee
rgbrgb(43, 82, 238)
hslhsl(228, 85%, 55%)
oklchoklch(0.52 0.237 266.4)
Closest name: Blue Ribbon (#0066ff)Relative luminance 0.1272

Colors that go with #2b52ee

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 →

#eec72b

#2bb3ee · #652bee

#ee2b52 · #52ee2b

Split-complementary

Open in tool →

#ee652b · #b3ee2b

#ee2bb3 · #eec72b · #2bee65

Contrast

#2b52ee as textRatioAAAA largeAAAFix
Aaon white
5.93:1passpassfail
  • AAA: use #133eec as the text (7.17:1)
Aaon black
3.54:1failpassfail
  • AA: use #4769f0 as the text (4.55:1)
  • AAA: use #768ff4 as the text (7.01:1)
  • AA: or shift the background to #e3e3e3 (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 #2b52ee as the background.

Brands using this color

Fonts for this mood

#2b52ee reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b52ee
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 #2b52ee and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b52ee-9c9fc4-df7c4e-231f2d-e9eff1?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