Color

#0c52ca

#0c52ca
hex#0c52ca
rgbrgb(12, 82, 202)
hslhsl(218, 89%, 42%)
oklchoklch(0.48 0.197 261.2)
Closest name: Denim (#1560bd)Relative luminance 0.1038

Colors that go with #0c52ca

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 →

#ca850c

#0cb1ca · #250cca

#ca0c52 · #52ca0c

Split-complementary

Open in tool →

#ca250c · #b1ca0c

#ca0cb1 · #ca850c · #0cca25

Contrast

#0c52ca as textRatioAAAA largeAAAFix
Aaon white
6.83:1passpassfail
  • AAA: use #0c50c6 as the text (7.05:1)
Aaon black
3.08:1failpassfail
  • AA: use #216ef2 as the text (4.58:1)
  • AAA: use #6097f6 as the text (7.25:1)
  • AA: or shift the background to #d4d4d4 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0c52ca as the background.

Brands using this color

Fonts for this mood

#0c52ca reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0c52ca
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 #0c52ca and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0c52ca-9ca6c4-df644e-201f2d-e9f0f1?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