Color

#0a8a9e

#0a8a9e
hex#0a8a9e
rgbrgb(10, 138, 158)
hslhsl(188, 88%, 33%)
oklchoklch(0.582 0.1 212.7)
Closest name: Ahoy! Blue (#0082a1)Relative luminance 0.2071

Colors that go with #0a8a9e

Charcoal, Copper and Crimson 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 →

#9e1e0a

#0a9e68 · #0a409e

#9e0a8a · #8a9e0a

Split-complementary

Open in tool →

#9e0a40 · #9e680a

#680a9e · #9e1e0a · #409e0a

Contrast

#0a8a9e as textRatioAAAA largeAAAFix
Aaon white
4.08:1failpassfail
  • AA: use #098295 as the text (4.53:1)
  • AAA: use #07606e as the text (7.22:1)
  • AA: or shift the background to #141414 (4.51:1)
Aaon black
5.14:1passpassfail
  • AAA: use #0ca4bb 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 #0a8a9e 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

#0a8a9e reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0a8a9e
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 #0a8a9e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0a8a9e-a2b7be-df4e81-1f252d-e9f1ee?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