Color

#0b84da

#0b84da
hex#0b84da
rgbrgb(11, 132, 218)
hslhsl(205, 90%, 45%)
oklchoklch(0.6 0.16 248.5)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2164

Colors that go with #0b84da

Charcoal, Crimson and Copper 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 →

#da620b

#0bdac9 · #0b1dda

#da0b84 · #84da0b

Split-complementary

Open in tool →

#da0b1d · #dac90b

#c90bda · #da620b · #1dda0b

Contrast

#0b84da as textRatioAAAA largeAAAFix
Aaon white
3.94:1failpassfail
  • AA: use #0a78c7 as the text (4.64:1)
  • AAA: use #085b96 as the text (7.13:1)
  • AA: or shift the background to #171717 (4.55:1)
Aaon black
5.33:1passpassfail
  • AAA: use #209bf3 as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0b84da as the background.

Brands using this color

Fonts for this mood

#0b84da reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0b84da
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 #0b84da and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0b84da-9cafc4-df4e58-1f212d-e9f1f0?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