Color

#0c52df

#0c52df
hex#0c52df
rgbrgb(12, 82, 223)
hslhsl(220, 90%, 46%)
oklchoklch(0.499 0.224 262.4)
Closest name: C64 Blue (#003aff)Relative luminance 0.1144

Colors that go with #0c52df

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 →

#df980c

#0cbcdf · #2f0cdf

#df0c52 · #52df0c

Split-complementary

Open in tool →

#df2f0c · #bcdf0c

#df0cbc · #df980c · #0cdf2f

Contrast

#0c52df as textRatioAAAA largeAAAFix
Aaon white
6.39:1passpassfail
  • AAA: use #0b4dd0 as the text (7.03:1)
Aaon black
3.29:1failpassfail
  • AA: use #2a6df4 as the text (4.59:1)
  • AAA: use #6495f7 as the text (7.18:1)
  • AA: or shift the background to #d9d9d9 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0c52df as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#0c52df reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0c52df
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 #0c52df and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0c52df-9ca5c4-df694e-211f2d-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