Color

#0a8ea9

#0a8ea9
hex#0a8ea9
rgbrgb(10, 142, 169)
hslhsl(190, 89%, 35%)
oklchoklch(0.597 0.106 217.8)
Closest name: Blue Moon (#3992a8)Relative luminance 0.2228

Colors that go with #0a8ea9

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 →

#a9240a

#0aa974 · #0a3fa9

#a90a8e · #8ea90a

Split-complementary

Open in tool →

#a90a3f · #a9740a

#740aa9 · #a9240a · #3fa90a

Contrast

#0a8ea9 as textRatioAAAA largeAAAFix
Aaon white
3.85:1failpassfail
  • AA: use #097e95 as the text (4.74:1)
  • AAA: use #065d6f as the text (7.49:1)
  • AA: or shift the background to #1a1a1a (4.52:1)
Aaon black
5.46:1passpassfail
  • AAA: use #0ba3c1 as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0a8ea9 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#0a8ea9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0a8ea9
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 #0a8ea9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0a8ea9-a2b6be-df4e7c-1f252d-e9f1ef?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