Color

#0da5af

#0da5af
hex#0da5af
rgbrgb(13, 165, 175)
hslhsl(184, 86%, 37%)
oklchoklch(0.658 0.11 202.6)
Closest name: Baltic (#279d9f)Relative luminance 0.3009

Colors that go with #0da5af

Charcoal, Tomato and Cornflower Blue 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 #0da5af

Tints & shades

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

Harmonies

Complementary

Open in tool →

#af180d

#0daf69 · #0d54af

#af0da5 · #a5af0d

Split-complementary

Open in tool →

#af0d54 · #af690d

#690daf · #af180d · #54af0d

Contrast

#0da5af as textRatioAAAA largeAAAFix
Aaon white
2.99:1failfailfail
  • AA: use #0a818a as the text (4.65:1)
  • AAA: use #086268 as the text (7.1:1)
  • AA: or shift the background to #2e2e2e (4.54:1)
  • AAA: or shift the background to #000000 (7.02:1)
Aaon black
7.02:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0da5af as the background.

Brands using this color

Fonts for this mood

#0da5af reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0da5af
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 #0da5af and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0da5af-a2b9be-df4e8a-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