Color

#2aa3df

#2aa3df
hex#2aa3df
rgbrgb(42, 163, 223)
hslhsl(200, 74%, 52%)
oklchoklch(0.678 0.134 236.2)
Closest name: Blue Burst (#309cd0)Relative luminance 0.3201

Tints & shades

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

Harmonies

Complementary

Open in tool →

#df662a

#2adfc1 · #2a48df

#df2aa3 · #a3df2a

Split-complementary

Open in tool →

#df2a48 · #dfc12a

#c12adf · #df662a · #48df2a

Contrast

#2aa3df as textRatioAAAA largeAAAFix
Aaon white
2.84:1failfailfail
  • AA: use #1a7cad as the text (4.64:1)
  • AAA: use #135c81 as the text (7.3:1)
  • AA: or shift the background to #303030 (4.65:1)
  • AAA: or shift the background to #080808 (7.06:1)
Aaon black
7.4:1passpasspassPasses 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 #2aa3df as the background.

Brands using this color

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

Palettes built around it

Fonts for this mood

#2aa3df reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2aa3df
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 #2aa3df and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2aa3df-9cb2c4-df4e64-1f232d-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