Color

#2a27ec

#2a27ec
hex#2a27ec
rgbrgb(42, 39, 236)
hslhsl(241, 84%, 54%)
oklchoklch(0.46 0.273 269.2)
Closest name: Bluebonnet (#1c1cf0)Relative luminance 0.08

Colors that go with #2a27ec

Charcoal, Crimson and Cobalt Blue 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 →

#e9ec27

#2786ec · #8d27ec

#ec2a27 · #27ec2a

Split-complementary

Open in tool →

#ec8d27 · #86ec27

#ec2786 · #e9ec27 · #27ec8d

Contrast

#2a27ec as textRatioAAAA largeAAAFix
Aaon white
8.08:1passpasspassPasses AAA — no fix needed.
Aaon black
2.6:1failfailfail
  • AA: use #6764f2 as the text (4.68:1)
  • AAA: use #8b8af5 as the text (7.05:1)
  • AA: or shift the background to #c2c2c2 (4.53:1)
  • AAA: or shift the background to #f0f0f0 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a27ec as the background.

Brands using this color

Fonts for this mood

#2a27ec reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a27ec
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 #2a27ec and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a27ec-a19cc4-df9b4e-261f2d-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