Color

#1eb2cc

#1eb2cc
hex#1eb2cc
rgbrgb(30, 178, 204)
hslhsl(189, 74%, 46%)
oklchoklch(0.704 0.119 213.7)
Closest name: Aquarius (#2db0ce)Relative luminance 0.3648

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cc391e

#1ecc8f · #1e5bcc

#cc1eb2 · #b2cc1e

Split-complementary

Open in tool →

#cc1e5b · #cc8f1e

#8f1ecc · #cc391e · #5bcc1e

Contrast

#1eb2cc as textRatioAAAA largeAAAFix
Aaon white
2.53:1failfailfail
  • AA: use #168092 as the text (4.63:1)
  • AAA: use #11616f as the text (7.09:1)
  • AA: or shift the background to #383838 (4.63:1)
  • AAA: or shift the background to #171717 (7.08:1)
Aaon black
8.3:1passpasspassPasses 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 #1eb2cc as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1eb2cc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1eb2cc
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 #1eb2cc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1eb2cc-a2b7be-df4e7e-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