Color

#2e5bef

#2e5bef
hex#2e5bef
rgbrgb(46, 91, 239)
hslhsl(226, 86%, 56%)
oklchoklch(0.537 0.227 265.7)
Closest name: Bluerocratic (#1f66ff)Relative luminance 0.143

Colors that go with #2e5bef

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 →

#efc22e

#2ebcef · #622eef

#ef2e5b · #5bef2e

Split-complementary

Open in tool →

#ef622e · #bcef2e

#ef2ebc · #efc22e · #2eef62

Contrast

#2e5bef as textRatioAAAA largeAAAFix
Aaon white
5.44:1passpassfail
  • AAA: use #1142e4 as the text (7.18:1)
Aaon black
3.86:1failpassfail
  • AA: use #416af1 as the text (4.56:1)
  • AAA: use #7593f5 as the text (7.25:1)
  • AA: or shift the background to #ebebeb (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2e5bef as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#2e5bef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2e5bef
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 #2e5bef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2e5bef-9ca1c4-df774e-221f2d-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