Color

#0c50cf

#0c50cf
hex#0c50cf
rgbrgb(12, 80, 207)
hslhsl(219, 89%, 43%)
oklchoklch(0.48 0.206 261.8)
Closest name: Denim (#1560bd)Relative luminance 0.1032

Colors that go with #0c50cf

Charcoal, Crimson and Steel 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 →

#cf8b0c

#0cb2cf · #290ccf

#cf0c50 · #50cf0c

Split-complementary

Open in tool →

#cf290c · #b2cf0c

#cf0cb2 · #cf8b0c · #0ccf29

Contrast

#0c50cf as textRatioAAAA largeAAAFix
Aaon white
6.85:1passpassfail
  • AAA: use #0c4fca as the text (7.03:1)
Aaon black
3.06:1failpassfail
  • AA: use #266ef2 as the text (4.59:1)
  • AAA: use #6094f6 as the text (7.06:1)
  • AA: or shift the background to #d4d4d4 (4.62:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0c50cf as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#0c50cf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0c50cf
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 #0c50cf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0c50cf-9ca5c4-df664e-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