Color

#47b3ff

#47b3ff
hex#47b3ff
rgbrgb(71, 179, 255)
hslhsl(205, 100%, 64%)
oklchoklch(0.738 0.147 243.3)
Closest name: Cerulean (#55aaee)Relative luminance 0.408

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ff9447

#47fff0 · #4757ff

#ff47b2 · #b3ff47

Split-complementary

Open in tool →

#ff4757 · #fff047

#f047ff · #ff9447 · #57ff47

Contrast

#47b3ff as textRatioAAAA largeAAAFix
Aaon white
2.29:1failfailfail
  • AA: use #0077cc as the text (4.66:1)
  • AAA: use #005999 as the text (7.27:1)
  • AA: or shift the background to #404040 (4.52:1)
  • AAA: or shift the background to #212121 (7.02:1)
Aaon black
9.16:1passpasspassPasses 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 #47b3ff as the background.

Brands using this color

Fonts for this mood

#47b3ff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #47b3ff
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 #47b3ff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/47b3ff-9cafc4-df4e58-1f212d-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