Color

#19cfeb

#19cfeb
hex#19cfeb
rgbrgb(25, 207, 235)
hslhsl(188, 84%, 51%)
oklchoklch(0.786 0.134 212.2)
Closest name: darkturquoise (#00ced1)Relative luminance 0.5083

Colors that go with #19cfeb

Charcoal, Dark Orange 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 →

#eb3519

#19eb9e · #1966eb

#eb19cf · #cfeb19

Split-complementary

Open in tool →

#eb1966 · #eb9e19

#9e19eb · #eb3519 · #66eb19

Contrast

#19cfeb as textRatioAAAA largeAAAFix
Aaon white
1.88:1failfailfail
  • AA: use #0d8091 as the text (4.65:1)
  • AAA: use #095f6c as the text (7.33:1)
  • AA: or shift the background to #4a4a4a (4.71:1)
  • AAA: or shift the background to #303030 (7.02:1)
Aaon black
11.17:1passpasspassPasses 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 #19cfeb as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#19cfeb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #19cfeb
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 #19cfeb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/19cfeb-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