Color

#2b53ca

#2b53ca
hex#2b53ca
rgbrgb(43, 83, 202)
hslhsl(225, 65%, 48%)
oklchoklch(0.49 0.19 265.5)
Closest name: Denim (#1560bd)Relative luminance 0.1096

Colors that go with #2b53ca

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 →

#caa22b

#2ba2ca · #532bca

#ca2b53 · #53ca2b

Split-complementary

Open in tool →

#ca532b · #a2ca2b

#ca2ba2 · #caa22b · #2bca53

Contrast

#2b53ca as textRatioAAAA largeAAAFix
Aaon white
6.58:1passpassfail
  • AAA: use #294fc2 as the text (7.02:1)
Aaon black
3.19:1failpassfail
  • AA: use #4a6ed9 as the text (4.52:1)
  • AAA: use #7893e2 as the text (7.07:1)
  • AA: or shift the background to #d6d6d6 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b53ca as the background.

Brands using this color

Fonts for this mood

#2b53ca reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b53ca
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 #2b53ca and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b53ca-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