Color

#0850b5

#0850b5
hex#0850b5
rgbrgb(8, 80, 181)
hslhsl(215, 92%, 37%)
oklchoklch(0.457 0.173 259.3)
Closest name: Cobalt Blue (#0047ab)Relative luminance 0.0913

Colors that go with #0850b5

Charcoal, Crimson 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 →

#b56d08

#08a7b5 · #1608b5

#b50850 · #50b508

Split-complementary

Open in tool →

#b51608 · #a7b508

#b508a7 · #b56d08 · #08b516

Contrast

#0850b5 as textRatioAAAA largeAAAFix
Aaon white
7.43:1passpasspassPasses AAA — no fix needed.
Aaon black
2.83:1failfailfail
  • AA: use #0f6ff5 as the text (4.61:1)
  • AAA: use #5498f8 as the text (7.22:1)
  • AA: or shift the background to #cccccc (4.63:1)
  • AAA: or shift the background to #fafafa (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 #0850b5 as the background.

Brands using this color

Fonts for this mood

#0850b5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0850b5
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 #0850b5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0850b5-9ca8c4-df5d4e-201f2d-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