Color

#0d45fd

#0d45fd
hex#0d45fd
rgbrgb(13, 69, 253)
hslhsl(226, 98%, 52%)
oklchoklch(0.507 0.272 264.3)
Closest name: C64 Blue (#003aff)Relative luminance 0.1143

Colors that go with #0d45fd

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 →

#fdc50d

#0dbdfd · #4d0dfd

#fd0d45 · #45fd0d

Split-complementary

Open in tool →

#fd4d0d · #bdfd0d

#fd0dbd · #fdc50d · #0dfd4d

Contrast

#0d45fd as textRatioAAAA largeAAAFix
Aaon white
6.39:1passpassfail
  • AAA: use #023cf7 as the text (7.02:1)
Aaon black
3.29:1failpassfail
  • AA: use #3a68fd as the text (4.58:1)
  • AAA: use #7292fe as the text (7.26:1)
  • AA: or shift the background to #d9d9d9 (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 #0d45fd as the background.

Brands using this color

Fonts for this mood

#0d45fd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0d45fd
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 #0d45fd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0d45fd-9ca1c4-df774e-221f2d-e9eff1?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