Color

#1fd4ef

#1fd4ef
hex#1fd4ef
rgbrgb(31, 212, 239)
hslhsl(188, 87%, 53%)
oklchoklch(0.8 0.135 211.4)
Closest name: darkturquoise (#00ced1)Relative luminance 0.5361

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ef3b1f

#1fefa3 · #1f6bef

#ef1fd4 · #d4ef1f

Split-complementary

Open in tool →

#ef1f6b · #efa31f

#a31fef · #ef3b1f · #6bef1f

Contrast

#1fd4ef as textRatioAAAA largeAAAFix
Aaon white
1.79:1failfailfail
  • AA: use #0a8194 as the text (4.58:1)
  • AAA: use #08606e as the text (7.22:1)
  • AA: or shift the background to #4f4f4f (4.57:1)
  • AAA: or shift the background to #333333 (7.05:1)
Aaon black
11.72:1passpasspassPasses 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 #1fd4ef as the background.

Brands using this color

Fonts for this mood

#1fd4ef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1fd4ef
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #1fd4ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1fd4ef-a2b7be-df4e81-1f252d-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