Color

#2e87e5

#2e87e5
hex#2e87e5
rgbrgb(46, 135, 229)
hslhsl(211, 78%, 54%)
oklchoklch(0.619 0.164 253.2)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2357

Colors that go with #2e87e5

Charcoal, Crimson and Copper 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 →

#e58d2e

#2ee2e5 · #312ee5

#e52e87 · #87e52e

Split-complementary

Open in tool →

#e5312e · #e2e52e

#e52ee2 · #e58d2e · #2ee531

Contrast

#2e87e5 as textRatioAAAA largeAAAFix
Aaon white
3.68:1failpassfail
  • AA: use #1a75d5 as the text (4.62:1)
  • AAA: use #1459a3 as the text (7.03:1)
  • AA: or shift the background to #1c1c1c (4.64:1)
Aaon black
5.71:1passpassfail
  • AAA: use #4e99e9 as the text (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2e87e5 as the background.

Brands using this color

Fonts for this mood

#2e87e5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2e87e5
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 #2e87e5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2e87e5-9cabc4-df534e-1f202d-e9f1f1?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