Color

#0a50db

#0a50db
hex#0a50db
rgbrgb(10, 80, 219)
hslhsl(220, 91%, 45%)
oklchoklch(0.491 0.221 262.3)
Closest name: Denim (#1560bd)Relative luminance 0.1092

Colors that go with #0a50db

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.

Real palettes that use #0a50db

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#db960a

#0ab8db · #2d0adb

#db0a50 · #50db0a

Split-complementary

Open in tool →

#db2d0a · #b8db0a

#db0ab8 · #db960a · #0adb2d

Contrast

#0a50db as textRatioAAAA largeAAAFix
Aaon white
6.6:1passpassfail
  • AAA: use #0a4cd1 as the text (7.08:1)
Aaon black
3.18:1failpassfail
  • AA: use #296df5 as the text (4.6:1)
  • AAA: use #6395f8 as the text (7.18:1)
  • AA: or shift the background to #d6d6d6 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0a50db as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#0a50db reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0a50db
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 #0a50db and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0a50db-9ca5c4-df694e-211f2d-e9f0f1?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