Color

#0a84bd

#0a84bd
hex#0a84bd
rgbrgb(10, 132, 189)
hslhsl(199, 90%, 39%)
oklchoklch(0.583 0.127 238.1)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.2024

Colors that go with #0a84bd

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 →

#bd430a

#0abd9c · #0a2bbd

#bd0a84 · #84bd0a

Split-complementary

Open in tool →

#bd0a2b · #bd9c0a

#9c0abd · #bd430a · #2bbd0a

Contrast

#0a84bd as textRatioAAAA largeAAAFix
Aaon white
4.16:1failpassfail
  • AA: use #097db3 as the text (4.57:1)
  • AAA: use #075c83 as the text (7.32:1)
  • AA: or shift the background to #121212 (4.5:1)
Aaon black
5.05:1passpassfail
  • AAA: use #0c9fe4 as the text (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0a84bd 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

#0a84bd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0a84bd
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 #0a84bd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0a84bd-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