Color

#1cbcd4

#1cbcd4
hex#1cbcd4
rgbrgb(28, 188, 212)
hslhsl(188, 77%, 47%)
oklchoklch(0.731 0.123 211.3)
Closest name: Blue Bobbin (#52b4ca)Relative luminance 0.4097

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d4341c

#1cd490 · #1c5fd4

#d41cbc · #bcd41c

Split-complementary

Open in tool →

#d41c5f · #d4901c

#901cd4 · #d4341c · #5fd41c

Contrast

#1cbcd4 as textRatioAAAA largeAAAFix
Aaon white
2.28:1failfailfail
  • AA: use #138090 as the text (4.65:1)
  • AAA: use #0e606c as the text (7.22:1)
  • AA: or shift the background to #404040 (4.54:1)
  • AAA: or shift the background to #212121 (7.05:1)
Aaon black
9.19:1passpasspassPasses 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 #1cbcd4 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1cbcd4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1cbcd4
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 #1cbcd4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1cbcd4-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