Color

#0f35bd

#0f35bd
hex#0f35bd
rgbrgb(15, 53, 189)
hslhsl(227, 85%, 40%)
oklchoklch(0.415 0.214 264.8)
Closest name: Blue Hour (#0034ab)Relative luminance 0.0632

Colors that go with #0f35bd

Charcoal, Sea Green and Steel 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 →

#bd970f

#0f8cbd · #400fbd

#bd0f35 · #35bd0f

Split-complementary

Open in tool →

#bd400f · #8cbd0f

#bd0f8c · #bd970f · #0fbd40

Contrast

#0f35bd as textRatioAAAA largeAAAFix
Aaon white
9.27:1passpasspassPasses AAA — no fix needed.
Aaon black
2.26:1failfailfail
  • AA: use #476cf0 as the text (4.67:1)
  • AAA: use #7691f4 as the text (7.13:1)
  • AA: or shift the background to #b5b5b5 (4.52:1)
  • AAA: or shift the background to #e0e0e0 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0f35bd 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

#0f35bd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0f35bd
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 #0f35bd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0f35bd-9ca0c4-df7a4e-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