Color

#10b2cb

#10b2cb
hex#10b2cb
rgbrgb(16, 178, 203)
hslhsl(188, 85%, 43%)
oklchoklch(0.702 0.121 212.6)
Closest name: Aquarius (#2db0ce)Relative luminance 0.3626

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cb2910

#10cb87 · #1055cb

#cb10b2 · #b2cb10

Split-complementary

Open in tool →

#cb1055 · #cb8710

#8710cb · #cb2910 · #55cb10

Contrast

#10b2cb as textRatioAAAA largeAAAFix
Aaon white
2.54:1failfailfail
  • AA: use #0c8092 as the text (4.65:1)
  • AAA: use #095f6d as the text (7.32:1)
  • AA: or shift the background to #383838 (4.61:1)
  • AAA: or shift the background to #171717 (7.05:1)
Aaon black
8.25:1passpasspassPasses 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 #10b2cb as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#10b2cb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #10b2cb
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 #10b2cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/10b2cb-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