Color

#2ab8cb

#2ab8cb
hex#2ab8cb
rgbrgb(42, 184, 203)
hslhsl(187, 66%, 48%)
oklchoklch(0.72 0.116 208.8)
Closest name: Blue Bobbin (#52b4ca)Relative luminance 0.3909

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cb3c2a

#2acb8d · #2a68cb

#cb2ab8 · #b8cb2a

Split-complementary

Open in tool →

#cb2a68 · #cb8d2a

#8d2acb · #cb3c2a · #68cb2a

Contrast

#2ab8cb as textRatioAAAA largeAAAFix
Aaon white
2.38:1failfailfail
  • AA: use #1d7f8c as the text (4.7:1)
  • AAA: use #16606a as the text (7.2:1)
  • AA: or shift the background to #3d3d3d (4.56:1)
  • AAA: or shift the background to #1c1c1c (7.16:1)
Aaon black
8.82:1passpasspassPasses 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 #2ab8cb as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#2ab8cb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2ab8cb
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 #2ab8cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2ab8cb-a2b8be-df4e83-1f262d-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