Color

#0f49db

#0f49db
hex#0f49db
rgbrgb(15, 73, 219)
hslhsl(223, 87%, 46%)
oklchoklch(0.479 0.229 263.5)
Closest name: C64 Blue (#003aff)Relative luminance 0.0998

Colors that go with #0f49db

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 →

#dba20f

#0fafdb · #3b0fdb

#db0f49 · #49db0f

Split-complementary

Open in tool →

#db3b0f · #afdb0f

#db0faf · #dba20f · #0fdb3b

Contrast

#0f49db as textRatioAAAA largeAAAFix
Aaon white
7.01:1passpasspassPasses AAA — no fix needed.
Aaon black
3:1failfailfail
  • AA: use #376cf1 as the text (4.58:1)
  • AAA: use #6b92f5 as the text (7.06:1)
  • AA: or shift the background to #d1d1d1 (4.59:1)
  • AAA: or shift the background to #ffffff (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0f49db as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#0f49db reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0f49db
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 #0f49db and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0f49db-9ca3c4-df704e-211f2d-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