Color

#4f8dcf

#4f8dcf
hex#4f8dcf
rgbrgb(79, 141, 207)
hslhsl(211, 57%, 56%)
oklchoklch(0.631 0.119 251.5)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2522

Colors that go with #4f8dcf

Charcoal, Copper and Amber 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 →

#cf914f

#4fcdcf · #514fcf

#cf4f8d · #8dcf4f

Split-complementary

Open in tool →

#cf514f · #cdcf4f

#cf4fcd · #cf914f · #4fcf51

Contrast

#4f8dcf as textRatioAAAA largeAAAFix
Aaon white
3.47:1failpassfail
  • AA: use #3578c0 as the text (4.57:1)
  • AAA: use #275a90 as the text (7.12:1)
  • AA: or shift the background to #212121 (4.63:1)
Aaon black
6.04:1passpassfail
  • AAA: use #639ad4 as the text (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4f8dcf as the background.

Brands using this color

Fonts for this mood

#4f8dcf reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4f8dcf
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 #4f8dcf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4f8dcf-9cabc4-df534e-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