Color

#2bb1de

#2bb1de
hex#2bb1de
rgbrgb(43, 177, 222)
hslhsl(195, 73%, 52%)
oklchoklch(0.711 0.126 226.3)
Closest name: Aquarius (#2db0ce)Relative luminance 0.3723

Colors that go with #2bb1de

Charcoal, Amber and Dark Orange lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#de582b

#2bdeb1 · #2b58de

#de2bb1 · #b1de2b

Split-complementary

Open in tool →

#de2b58 · #deb12b

#b12bde · #de582b · #58de2b

Contrast

#2bb1de as textRatioAAAA largeAAAFix
Aaon white
2.49:1failfailfail
  • AA: use #197d9f as the text (4.69:1)
  • AAA: use #135e77 as the text (7.25:1)
  • AA: or shift the background to #3b3b3b (4.51:1)
  • AAA: or shift the background to #1a1a1a (7:1)
Aaon black
8.45:1passpasspassPasses 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 #2bb1de as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#2bb1de reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2bb1de
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

›analyze #2bb1de and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2bb1de-9cb5c4-df4e70-1f242d-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