Color

#0ab9cd

#0ab9cd
hex#0ab9cd
rgbrgb(10, 185, 205)
hslhsl(186, 91%, 42%)
oklchoklch(0.719 0.123 208.6)
Closest name: Aquarius (#2db0ce)Relative luminance 0.3917

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cd1d0a

#0acd7f · #0a58cd

#cd0ab9 · #b9cd0a

Split-complementary

Open in tool →

#cd0a58 · #cd7f0a

#7f0acd · #cd1d0a · #58cd0a

Contrast

#0ab9cd as textRatioAAAA largeAAAFix
Aaon white
2.38:1failfailfail
  • AA: use #07808d as the text (4.69:1)
  • AAA: use #05616b as the text (7.17:1)
  • AA: or shift the background to #3d3d3d (4.57:1)
  • AAA: or shift the background to #1c1c1c (7.17:1)
Aaon black
8.83:1passpasspassPasses 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 #0ab9cd as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#0ab9cd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0ab9cd
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #0ab9cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0ab9cd-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