Color

#0c64df

#0c64df
hex#0c64df
rgbrgb(12, 100, 223)
hslhsl(215, 90%, 46%)
oklchoklch(0.534 0.203 259.4)
Closest name: Bluetiful (#3c69e7)Relative luminance 0.1452

Colors that go with #0c64df

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 →

#df870c

#0ccddf · #1d0cdf

#df0c64 · #64df0c

Split-complementary

Open in tool →

#df1d0c · #cddf0c

#df0ccd · #df870c · #0cdf1d

Contrast

#0c64df as textRatioAAAA largeAAAFix
Aaon white
5.38:1passpassfail
  • AAA: use #0a52b8 as the text (7.21:1)
Aaon black
3.9:1failpassfail
  • AA: use #126ff3 as the text (4.59:1)
  • AAA: use #5598f6 as the text (7.21:1)
  • AA: or shift the background to #ebebeb (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0c64df as the background.

Brands using this color

Fonts for this mood

#0c64df reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0c64df
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 #0c64df and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0c64df-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