Color

#2aa1cf

#2aa1cf
hex#2aa1cf
rgbrgb(42, 161, 207)
hslhsl(197, 66%, 49%)
oklchoklch(0.666 0.121 229.5)
Closest name: Blue Burst (#309cd0)Relative luminance 0.3049

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cf592a

#2acfac · #2a4ecf

#cf2aa1 · #a1cf2a

Split-complementary

Open in tool →

#cf2a4e · #cfac2a

#ac2acf · #cf592a · #4ecf2a

Contrast

#2aa1cf as textRatioAAAA largeAAAFix
Aaon white
2.96:1failfailfail
  • AA: use #217da1 as the text (4.65:1)
  • AAA: use #195f7b as the text (7.08:1)
  • AA: or shift the background to #2e2e2e (4.59:1)
  • AAA: or shift the background to #000000 (7.1:1)
Aaon black
7.1:1passpasspassPasses 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 #2aa1cf as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#2aa1cf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2aa1cf
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 #2aa1cf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2aa1cf-9cb4c4-df4e6b-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