Color

#2a52cb

#2a52cb
hex#2a52cb
rgbrgb(42, 82, 203)
hslhsl(225, 66%, 48%)
oklchoklch(0.488 0.193 265.5)
Closest name: Denim (#1560bd)Relative luminance 0.1084

Colors that go with #2a52cb

Charcoal, Sea Green 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 →

#cba32a

#2aa3cb · #522acb

#cb2a52 · #52cb2a

Split-complementary

Open in tool →

#cb522a · #a3cb2a

#cb2aa3 · #cba32a · #2acb52

Contrast

#2a52cb as textRatioAAAA largeAAAFix
Aaon white
6.63:1passpassfail
  • AAA: use #284fc3 as the text (7.01:1)
Aaon black
3.17:1failpassfail
  • AA: use #4d71db as the text (4.7:1)
  • AAA: use #7892e3 as the text (7.02:1)
  • AA: or shift the background to #d6d6d6 (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 #2a52cb as the background.

Brands using this color

Fonts for this mood

#2a52cb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a52cb
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 #2a52cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a52cb-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