Color

#2a5cf4

#2a5cf4
hex#2a5cf4
rgbrgb(42, 92, 244)
hslhsl(225, 90%, 56%)
oklchoklch(0.542 0.233 265.1)
Closest name: Bluerocratic (#1f66ff)Relative luminance 0.1468

Colors that go with #2a5cf4

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 →

#f4c12a

#2ac1f4 · #5c2af4

#f42a5c · #5cf42a

Split-complementary

Open in tool →

#f45c2a · #c1f42a

#f42ac1 · #f4c12a · #2af45c

Contrast

#2a5cf4 as textRatioAAAA largeAAAFix
Aaon white
5.34:1passpassfail
  • AAA: use #0c43e9 as the text (7.01:1)
Aaon black
3.94:1failpassfail
  • AA: use #3d6bf5 as the text (4.62:1)
  • AAA: use #7294f8 as the text (7.31:1)
  • AA: or shift the background to #ededed (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 #2a5cf4 as the background.

Brands using this color

Fonts for this mood

#2a5cf4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a5cf4
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 #2a5cf4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a5cf4-9ca1c4-df754e-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