Color

#0a8ca3

#0a8ca3
hex#0a8ca3
rgbrgb(10, 140, 163)
hslhsl(189, 88%, 34%)
oklchoklch(0.59 0.102 215)
Closest name: Blue Moon (#3992a8)Relative luminance 0.2147

Colors that go with #0a8ca3

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 →

#a3210a

#0aa36e · #0a40a3

#a30a8c · #8ca30a

Split-complementary

Open in tool →

#a30a40 · #a36e0a

#6e0aa3 · #a3210a · #40a30a

Contrast

#0a8ca3 as textRatioAAAA largeAAAFix
Aaon white
3.97:1failpassfail
  • AA: use #098095 as the text (4.63:1)
  • AAA: use #075f6e as the text (7.31:1)
  • AA: or shift the background to #171717 (4.52:1)
Aaon black
5.29:1passpassfail
  • AAA: use #0ca5c0 as the text (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0a8ca3 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

#0a8ca3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0a8ca3
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 #0a8ca3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0a8ca3-a2b7be-df4e7e-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