Color

#4f8fde

#4f8fde
hex#4f8fde
rgbrgb(79, 143, 222)
hslhsl(213, 68%, 59%)
oklchoklch(0.644 0.136 254.8)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2658

Colors that go with #4f8fde

Charcoal, Amber and Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#de9e4f

#4fd6de · #564fde

#de4f8f · #8fde4f

Split-complementary

Open in tool →

#de564f · #d6de4f

#de4fd6 · #de9e4f · #4fde56

Contrast

#4f8fde as textRatioAAAA largeAAAFix
Aaon white
3.32:1failpassfail
  • AA: use #2874d2 as the text (4.65:1)
  • AAA: use #1e589f as the text (7.11:1)
  • AA: or shift the background to #262626 (4.55:1)
Aaon black
6.32:1passpassfail
  • AAA: use #5c98e0 as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4f8fde as the background.

Brands using this color

Fonts for this mood

#4f8fde reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4f8fde
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #4f8fde and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4f8fde-9ca9c4-df584e-1f202d-e9f0f1?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