Color

#0f64db

#0f64db
hex#0f64db
rgbrgb(15, 100, 219)
hslhsl(215, 87%, 46%)
oklchoklch(0.531 0.197 259.2)
Closest name: Bluetiful (#3c69e7)Relative luminance 0.1433

Colors that go with #0f64db

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 →

#db860f

#0fcadb · #200fdb

#db0f64 · #64db0f

Split-complementary

Open in tool →

#db200f · #cadb0f

#db0fca · #db860f · #0fdb20

Contrast

#0f64db as textRatioAAAA largeAAAFix
Aaon white
5.43:1passpassfail
  • AAA: use #0d53b5 as the text (7.19:1)
Aaon black
3.87:1failpassfail
  • AA: use #1570ef as the text (4.6:1)
  • AAA: use #5396f3 as the text (7.02:1)
  • AA: or shift the background to #ebebeb (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0f64db as the background.

Brands using this color

Fonts for this mood

#0f64db reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0f64db
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 #0f64db and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0f64db-9ca8c4-df5d4e-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