Color

#1cd4e9

#1cd4e9
hex#1cd4e9
rgbrgb(28, 212, 233)
hslhsl(186, 82%, 51%)
oklchoklch(0.797 0.134 207.8)
Closest name: darkturquoise (#00ced1)Relative luminance 0.5322

Colors that go with #1cd4e9

Charcoal, Dodger 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 →

#e9301c

#1ce997 · #1c6ee9

#e91cd4 · #d4e91c

Split-complementary

Open in tool →

#e91c6e · #e9971c

#971ce9 · #e9301c · #6ee91c

Contrast

#1cd4e9 as textRatioAAAA largeAAAFix
Aaon white
1.8:1failfailfail
  • AA: use #0e7f8b as the text (4.74:1)
  • AAA: use #0b616b as the text (7.15:1)
  • AA: or shift the background to #4f4f4f (4.54:1)
  • AAA: or shift the background to #333333 (7.01:1)
Aaon black
11.64:1passpasspassPasses 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 #1cd4e9 as the background.

Brands using this color

Fonts for this mood

#1cd4e9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1cd4e9
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 #1cd4e9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1cd4e9-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