Color

#0f64cc

#0f64cc
hex#0f64cc
rgbrgb(15, 100, 204)
hslhsl(213, 86%, 43%)
oklchoklch(0.519 0.178 257.4)
Closest name: Denim (#1560bd)Relative luminance 0.1358

Colors that go with #0f64cc

Charcoal, Crimson and Sienna 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 →

#cc770f

#0fc3cc · #190fcc

#cc0f64 · #64cc0f

Split-complementary

Open in tool →

#cc190f · #c3cc0f

#cc0fc3 · #cc770f · #0fcc19

Contrast

#0f64cc as textRatioAAAA largeAAAFix
Aaon white
5.65:1passpassfail
  • AAA: use #0d56af as the text (7.08:1)
Aaon black
3.72:1failpassfail
  • AA: use #1172e8 as the text (4.6:1)
  • AAA: use #5099f2 as the text (7.18:1)
  • AA: or shift the background to #e6e6e6 (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 #0f64cc as the background.

Brands using this color

Fonts for this mood

#0f64cc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0f64cc
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 #0f64cc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0f64cc-9ca9c4-df584e-1f202d-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