Color

#0f29eb

#0f29eb
hex#0f29eb
rgbrgb(15, 41, 235)
hslhsl(233, 88%, 49%)
oklchoklch(0.452 0.276 265.3)
Closest name: Bluebonnet (#1c1cf0)Relative luminance 0.0769

Colors that go with #0f29eb

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 →

#ebd10f

#0f97eb · #630feb

#eb0f29 · #29eb0f

Split-complementary

Open in tool →

#eb630f · #97eb0f

#eb0f97 · #ebd10f · #0feb63

Contrast

#0f29eb as textRatioAAAA largeAAAFix
Aaon white
8.28:1passpasspassPasses AAA — no fix needed.
Aaon black
2.54:1failfailfail
  • AA: use #5265f4 as the text (4.53:1)
  • AAA: use #8290f7 as the text (7.28:1)
  • AA: or shift the background to #bfbfbf (4.5:1)
  • AAA: or shift the background to #ededed (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0f29eb as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#0f29eb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0f29eb
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 #0f29eb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0f29eb-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