Color

#2a34f4

#2a34f4
hex#2a34f4
rgbrgb(42, 52, 244)
hslhsl(237, 90%, 56%)
oklchoklch(0.482 0.272 268.5)
Closest name: C64 Blue (#003aff)Relative luminance 0.0948

Colors that go with #2a34f4

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 →

#f4ea2a

#2a99f4 · #852af4

#f42a34 · #34f42a

Split-complementary

Open in tool →

#f4852a · #99f42a

#f42a99 · #f4ea2a · #2af485

Contrast

#2a34f4 as textRatioAAAA largeAAAFix
Aaon white
7.25:1passpasspassPasses AAA — no fix needed.
Aaon black
2.9:1failfailfail
  • AA: use #5a62f6 as the text (4.51:1)
  • AAA: use #868cf9 as the text (7.13:1)
  • AA: or shift the background to #cccccc (4.52:1)
  • AAA: or shift the background to #fcfcfc (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a34f4 as the background.

Brands using this color

Fonts for this mood

#2a34f4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a34f4
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 #2a34f4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a34f4-9f9cc4-df924e-251f2d-e9edf1?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