Color

#0c16cf

#0c16cf
hex#0c16cf
rgbrgb(12, 22, 207)
hslhsl(237, 89%, 43%)
oklchoklch(0.4 0.258 265.4)
Closest name: mediumblue (#0000cd)Relative luminance 0.0516

Colors that go with #0c16cf

Charcoal, Crimson and Cornflower 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 →

#cfc50c

#0c77cf · #640ccf

#cf0c16 · #16cf0c

Split-complementary

Open in tool →

#cf640c · #77cf0c

#cf0c77 · #cfc50c · #0ccf64

Contrast

#0c16cf as textRatioAAAA largeAAAFix
Aaon white
10.34:1passpasspassPasses AAA — no fix needed.
Aaon black
2.03:1failfailfail
  • AA: use #5b63f5 as the text (4.55:1)
  • AAA: use #878cf8 as the text (7.14:1)
  • AA: or shift the background to #ababab (4.5:1)
  • AAA: or shift the background to #d6d6d6 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0c16cf as the background.

Brands using this color

Fonts for this mood

#0c16cf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0c16cf
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 #0c16cf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0c16cf-9f9cc4-df924e-251f2d-e9edf1?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