Color

#0da1bf

#0da1bf
hex#0da1bf
rgbrgb(13, 161, 191)
hslhsl(190, 87%, 40%)
oklchoklch(0.655 0.116 217.7)
Closest name: Blue Ocean (#009dc4)Relative luminance 0.2934

Colors that go with #0da1bf

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 #0da1bf

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bf2b0d

#0dbf84 · #0d48bf

#bf0da1 · #a1bf0d

Split-complementary

Open in tool →

#bf0d48 · #bf840d

#840dbf · #bf2b0d · #48bf0d

Contrast

#0da1bf as textRatioAAAA largeAAAFix
Aaon white
3.06:1failpassfail
  • AA: use #0b8199 as the text (4.55:1)
  • AAA: use #086172 as the text (7.09:1)
  • AA: or shift the background to #2b2b2b (4.63:1)
Aaon black
6.87:1passpassfail
  • AAA: use #0ea5c4 as the text (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0da1bf as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#0da1bf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0da1bf
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 #0da1bf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0da1bf-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