Color

#2a63f4

#2a63f4
hex#2a63f4
rgbrgb(42, 99, 244)
hslhsl(223, 90%, 56%)
oklchoklch(0.555 0.225 264)
Closest name: Bluerocratic (#1f66ff)Relative luminance 0.1595

Colors that go with #2a63f4

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 →

#f4bb2a

#2ac8f4 · #562af4

#f42a63 · #63f42a

Split-complementary

Open in tool →

#f4562a · #c8f42a

#f42ac8 · #f4bb2a · #2af456

Contrast

#2a63f4 as textRatioAAAA largeAAAFix
Aaon white
5.01:1passpassfail
  • AAA: use #0b46da as the text (7.23:1)
Aaon black
4.19:1failpassfail
  • AA: use #346af4 as the text (4.51:1)
  • AAA: use #6e95f7 as the text (7.31:1)
  • AA: or shift the background to #f5f5f5 (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a63f4 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#2a63f4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a63f4
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 #2a63f4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a63f4-9ca3c4-df704e-211f2d-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