Color

#4f86de

#4f86de
hex#4f86de
rgbrgb(79, 134, 222)
hslhsl(217, 68%, 59%)
oklchoklch(0.624 0.146 259.4)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2399

Colors that go with #4f86de

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 →

#dea74f

#4fcdde · #604fde

#de4f86 · #86de4f

Split-complementary

Open in tool →

#de604f · #cdde4f

#de4fcd · #dea74f · #4fde60

Contrast

#4f86de as textRatioAAAA largeAAAFix
Aaon white
3.62:1failpassfail
  • AA: use #3674d9 as the text (4.51:1)
  • AAA: use #2156ab as the text (7.04:1)
  • AA: or shift the background to #1f1f1f (4.55:1)
Aaon black
5.8:1passpassfail
  • AAA: use #6998e2 as the text (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4f86de as the background.

Brands using this color

Fonts for this mood

#4f86de reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4f86de
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 #4f86de and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4f86de-9ca7c4-df624e-201f2d-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