Color

#2bb0ee

#2bb0ee
hex#2bb0ee
rgbrgb(43, 176, 238)
hslhsl(199, 85%, 55%)
oklchoklch(0.716 0.141 234.9)
Closest name: Cerulean (#55aaee)Relative luminance 0.3774

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ee682b

#2beeca · #2b4eee

#ee2bb0 · #b0ee2b

Split-complementary

Open in tool →

#ee2b4e · #eeca2b

#ca2bee · #ee682b · #4eee2b

Contrast

#2bb0ee as textRatioAAAA largeAAAFix
Aaon white
2.46:1failfailfail
  • AA: use #0e7caf as the text (4.65:1)
  • AAA: use #0b5e84 as the text (7.12:1)
  • AA: or shift the background to #3b3b3b (4.56:1)
  • AAA: or shift the background to #1a1a1a (7.08:1)
Aaon black
8.55:1passpasspassPasses 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 #2bb0ee as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#2bb0ee reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2bb0ee
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 #2bb0ee and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2bb0ee-9cb3c4-df4e66-1f232d-e9f1f0?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