Color

#2daffb

#2daffb
hex#2daffb
rgbrgb(45, 175, 251)
hslhsl(202, 96%, 58%)
oklchoklch(0.721 0.154 240.7)
Closest name: Cerulean (#55aaee)Relative luminance 0.3818

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fb782d

#2dfbdf · #2d49fb

#fb2daf · #affb2d

Split-complementary

Open in tool →

#fb2d49 · #fbdf2d

#df2dfb · #fb782d · #49fb2d

Contrast

#2daffb as textRatioAAAA largeAAAFix
Aaon white
2.43:1failfailfail
  • AA: use #047abe as the text (4.63:1)
  • AAA: use #035d91 as the text (7.05:1)
  • AA: or shift the background to #3b3b3b (4.61:1)
  • AAA: or shift the background to #1c1c1c (7.01:1)
Aaon black
8.64:1passpasspassPasses 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 #2daffb as the background.

Brands using this color

Palettes built around it

Fonts for this mood

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

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

tool url/palettes/new/2daffb-9cb1c4-df4e5f-1f222d-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