Color

#28cdf6

#28cdf6
hex#28cdf6
rgbrgb(40, 205, 246)
hslhsl(192, 92%, 56%)
oklchoklch(0.787 0.137 220.2)
Closest name: Blue Mana (#68c2f5)Relative luminance 0.5077

Colors that go with #28cdf6

Charcoal, Crimson and Dodger 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 →

#f65128

#28f6b8 · #2866f6

#f628cd · #cdf628

Split-complementary

Open in tool →

#f62866 · #f6b828

#b828f6 · #f65128 · #66f628

Contrast

#28cdf6 as textRatioAAAA largeAAAFix
Aaon white
1.88:1failfailfail
  • AA: use #077f9d as the text (4.63:1)
  • AAA: use #055f76 as the text (7.23:1)
  • AA: or shift the background to #4a4a4a (4.71:1)
  • AAA: or shift the background to #303030 (7.01:1)
Aaon black
11.15:1passpasspassPasses 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 #28cdf6 as the background.

Brands using this color

Fonts for this mood

#28cdf6 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #28cdf6
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 #28cdf6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28cdf6-a2b5be-df4e77-1f242d-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