Color

#0fa3b3

#0fa3b3
hex#0fa3b3
rgbrgb(15, 163, 179)
hslhsl(186, 85%, 38%)
oklchoklch(0.655 0.11 207.3)
Closest name: Baltic (#279d9f)Relative luminance 0.2955

Colors that go with #0fa3b3

Charcoal, Orange Red and Amber 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.

Real palettes that use #0fa3b3

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#b31f0f

#0fb371 · #0f50b3

#b30fa3 · #a3b30f

Split-complementary

Open in tool →

#b30f50 · #b3710f

#710fb3 · #b31f0f · #50b30f

Contrast

#0fa3b3 as textRatioAAAA largeAAAFix
Aaon white
3.04:1failpassfail
  • AA: use #0b818e as the text (4.62:1)
  • AAA: use #085e68 as the text (7.47:1)
  • AA: or shift the background to #2b2b2b (4.66:1)
Aaon black
6.91:1passpassfail
  • AAA: use #0fa7b8 as the text (7.24:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0fa3b3 as the background.

Brands using this color

Fonts for this mood

#0fa3b3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0fa3b3
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 #0fa3b3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0fa3b3-a2b8be-df4e86-1f262d-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