Color

#28c6fb

#28c6fb
hex#28c6fb
rgbrgb(40, 198, 251)
hslhsl(195, 96%, 57%)
oklchoklch(0.773 0.142 227.2)
Closest name: deepskyblue (#00bfff)Relative luminance 0.478

Colors that go with #28c6fb

Charcoal, Dodger Blue and Midnight 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fb5d28

#28fbc6 · #285dfb

#fb28c6 · #c6fb28

Split-complementary

Open in tool →

#fb285d · #fbc628

#c628fb · #fb5d28 · #5dfb28

Contrast

#28c6fb as textRatioAAAA largeAAAFix
Aaon white
1.99:1failfailfail
  • AA: use #037da5 as the text (4.69:1)
  • AAA: use #035e7d as the text (7.24:1)
  • AA: or shift the background to #474747 (4.67:1)
  • AAA: or shift the background to #2b2b2b (7.12:1)
Aaon black
10.56:1passpasspassPasses 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 #28c6fb as the background.

Brands using this color

Fonts for this mood

#28c6fb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #28c6fb
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 #28c6fb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28c6fb-9cb5c4-df4e70-1f242d-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