Color

#2bb3fd

#2bb3fd
hex#2bb3fd
rgbrgb(43, 179, 253)
hslhsl(201, 98%, 58%)
oklchoklch(0.731 0.153 239.2)
Closest name: deepskyblue (#00bfff)Relative luminance 0.3985

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fd742b

#2bfddd · #2b4afd

#fd2bb3 · #b3fd2b

Split-complementary

Open in tool →

#fd2b4a · #fddd2b

#dd2bfd · #fd742b · #4afd2b

Contrast

#2bb3fd as textRatioAAAA largeAAAFix
Aaon white
2.34:1failfailfail
  • AA: use #027abb as the text (4.66:1)
  • AAA: use #015c8d as the text (7.2:1)
  • AA: or shift the background to #3d3d3d (4.64:1)
  • AAA: or shift the background to #1f1f1f (7.04:1)
Aaon black
8.97:1passpasspassPasses 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 #2bb3fd as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#2bb3fd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2bb3fd
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 #2bb3fd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2bb3fd-9cb1c4-df4e62-1f222d-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