Color

#13b2ec

#13b2ec
hex#13b2ec
rgbrgb(19, 178, 236)
hslhsl(196, 85%, 50%)
oklchoklch(0.717 0.142 231.3)
Closest name: Blue Bikini (#00bbee)Relative luminance 0.3804

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ec4d13

#13ecb9 · #1346ec

#ec13b2 · #b2ec13

Split-complementary

Open in tool →

#ec1346 · #ecb913

#b913ec · #ec4d13 · #46ec13

Contrast

#13b2ec as textRatioAAAA largeAAAFix
Aaon white
2.44:1failfailfail
  • AA: use #0d7da5 as the text (4.67:1)
  • AAA: use #0a607f as the text (7.02:1)
  • AA: or shift the background to #3b3b3b (4.59:1)
  • AAA: or shift the background to #1a1a1a (7.13:1)
Aaon black
8.61:1passpasspassPasses 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 #13b2ec as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#13b2ec reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #13b2ec
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 #13b2ec and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/13b2ec-9cb5c4-df4e6e-1f232d-e9f1ef?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