Color

#2bb5d4

#2bb5d4
hex#2bb5d4
rgbrgb(43, 181, 212)
hslhsl(191, 66%, 50%)
oklchoklch(0.716 0.119 217.3)
Closest name: Aquarius (#2db0ce)Relative luminance 0.3831

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d44a2b

#2bd49e · #2b61d4

#d42bb5 · #b5d42b

Split-complementary

Open in tool →

#d42b61 · #d49e2b

#9e2bd4 · #d44a2b · #61d42b

Contrast

#2bb5d4 as textRatioAAAA largeAAAFix
Aaon white
2.42:1failfailfail
  • AA: use #1e7f94 as the text (4.65:1)
  • AAA: use #175e6e as the text (7.34:1)
  • AA: or shift the background to #3b3b3b (4.62:1)
  • AAA: or shift the background to #1c1c1c (7.03:1)
Aaon black
8.66:1passpasspassPasses 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 #2bb5d4 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#2bb5d4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2bb5d4
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 #2bb5d4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2bb5d4-a2b6be-df4e7a-1f252d-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