Color

#11a8df

#11a8df
hex#11a8df
rgbrgb(17, 168, 223)
hslhsl(196, 86%, 47%)
oklchoklch(0.687 0.136 231.3)
Closest name: Cousteau (#55a9d6)Relative luminance 0.3345

Colors that go with #11a8df

Charcoal, Bronze 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#df4811

#11dfaf · #1141df

#df11a8 · #a8df11

Split-complementary

Open in tool →

#df1141 · #dfaf11

#af11df · #df4811 · #41df11

Contrast

#11a8df as textRatioAAAA largeAAAFix
Aaon white
2.73:1failfailfail
  • AA: use #0c7da6 as the text (4.67:1)
  • AAA: use #0a6080 as the text (7.01:1)
  • AA: or shift the background to #333333 (4.63:1)
  • AAA: or shift the background to #0f0f0f (7.02:1)
Aaon black
7.69:1passpasspassPasses 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 #11a8df as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#11a8df reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #11a8df
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 #11a8df and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/11a8df-9cb5c4-df4e6e-1f232d-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