Color

#0d29fd

#0d29fd
hex#0d29fd
rgbrgb(13, 41, 253)
hslhsl(233, 98%, 52%)
oklchoklch(0.474 0.295 265)
Closest name: C64 Blue (#003aff)Relative luminance 0.0876

Colors that go with #0d29fd

Charcoal, Crimson and Cobalt 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 →

#fde10d

#0da1fd · #690dfd

#fd0d29 · #29fd0d

Split-complementary

Open in tool →

#fd690d · #a1fd0d

#fd0da1 · #fde10d · #0dfd69

Contrast

#0d29fd as textRatioAAAA largeAAAFix
Aaon white
7.63:1passpasspassPasses AAA — no fix needed.
Aaon black
2.75:1failfailfail
  • AA: use #4e63fd as the text (4.53:1)
  • AAA: use #818ffe as the text (7.29:1)
  • AA: or shift the background to #c7c7c7 (4.51:1)
  • AAA: or shift the background to #f7f7f7 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0d29fd as the background.

Brands using this color

Fonts for this mood

#0d29fd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0d29fd
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 #0d29fd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0d29fd-9c9cc4-df884e-241f2d-e9eef1?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