Color

#0b84bc

#0b84bc
hex#0b84bc
rgbrgb(11, 132, 188)
hslhsl(199, 89%, 39%)
oklchoklch(0.582 0.126 237.7)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.202

Colors that go with #0b84bc

Charcoal, Crimson and Royal 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 →

#bc430b

#0bbc9c · #0b2bbc

#bc0b84 · #84bc0b

Split-complementary

Open in tool →

#bc0b2b · #bc9c0b

#9c0bbc · #bc430b · #2bbc0b

Contrast

#0b84bc as textRatioAAAA largeAAAFix
Aaon white
4.17:1failpassfail
  • AA: use #0a7db2 as the text (4.58:1)
  • AAA: use #085f87 as the text (7.01:1)
  • AA: or shift the background to #0f0f0f (4.6:1)
Aaon black
5.04:1passpassfail
  • AAA: use #0d9fe3 as the text (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0b84bc 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

#0b84bc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0b84bc
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 #0b84bc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0b84bc-9cb3c4-df4e66-1f232d-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