Color

#55d2fc

#55d2fc
hex#55d2fc
rgbrgb(85, 210, 252)
hslhsl(195, 97%, 66%)
oklchoklch(0.811 0.124 223.9)
Closest name: lightskyblue (#87cefa)Relative luminance 0.5505

Colors that go with #55d2fc

Charcoal, Midnight Blue and Royal 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 →

#fc7e54

#54fcd2 · #547efc

#fc54d2 · #d2fc54

Split-complementary

Open in tool →

#fc547e · #fcd254

#d254fc · #fc7e54 · #7efc54

Contrast

#55d2fc as textRatioAAAA largeAAAFix
Aaon white
1.75:1failfailfail
  • AA: use #037da6 as the text (4.68:1)
  • AAA: use #025f7e as the text (7.14:1)
  • AA: or shift the background to #4f4f4f (4.68:1)
  • AAA: or shift the background to #333333 (7.23:1)
Aaon black
12.01:1passpasspassPasses 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 #55d2fc as the background.

Brands using this color

Fonts for this mood

#55d2fc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #55d2fc
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 #55d2fc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/55d2fc-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