Color

#4fbfde

#4fbfde
hex#4fbfde
rgbrgb(79, 191, 222)
hslhsl(193, 68%, 59%)
oklchoklch(0.753 0.109 219.3)
Closest name: Blue Martini (#52b4d3)Relative luminance 0.442

Tints & shades

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

Harmonies

Complementary

Open in tool →

#de6e4f

#4fdeb5 · #4f78de

#de4fbf · #bfde4f

Split-complementary

Open in tool →

#de4f78 · #deb54f

#b54fde · #de6e4f · #78de4f

Contrast

#4fbfde as textRatioAAAA largeAAAFix
Aaon white
2.13:1failfailfail
  • AA: use #1d7f9a as the text (4.61:1)
  • AAA: use #165f74 as the text (7.18:1)
  • AA: or shift the background to #424242 (4.71:1)
  • AAA: or shift the background to #262626 (7.09:1)
Aaon black
9.84:1passpasspassPasses 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 #4fbfde as the background.

Brands using this color

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

Fonts for this mood

#4fbfde reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4fbfde
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 #4fbfde and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4fbfde-a2b5be-df4e75-1f242d-e9f1ef?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