Color

#47a3ff

#47a3ff
hex#47a3ff
rgbrgb(71, 163, 255)
hslhsl(210, 100%, 64%)
oklchoklch(0.703 0.161 251.2)
Closest name: Cerulean (#55aaee)Relative luminance 0.3475

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ffa347

#47ffff · #4747ff

#ff47a3 · #a3ff47

Split-complementary

Open in tool →

#ff4747 · #ffff47

#ff47ff · #ffa347 · #47ff47

Contrast

#47a3ff as textRatioAAAA largeAAAFix
Aaon white
2.64:1failfailfail
  • AA: use #0073e6 as the text (4.57:1)
  • AAA: use #0057ad as the text (7.08:1)
  • AA: or shift the background to #363636 (4.58:1)
  • AAA: or shift the background to #121212 (7.09:1)
Aaon black
7.95:1passpasspassPasses 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 #47a3ff 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

#47a3ff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #47a3ff
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 #47a3ff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/47a3ff-9cabc4-df514e-1f202d-e9f1f1?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