Color

#4d8fdb

#4d8fdb
hex#4d8fdb
rgbrgb(77, 143, 219)
hslhsl(212, 66%, 58%)
oklchoklch(0.641 0.133 253.4)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2634

Colors that go with #4d8fdb

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 →

#db994d

#4dd6db · #524ddb

#db4d8f · #8fdb4d

Split-complementary

Open in tool →

#db524d · #d6db4d

#db4dd6 · #db994d · #4ddb52

Contrast

#4d8fdb as textRatioAAAA largeAAAFix
Aaon white
3.35:1failpassfail
  • AA: use #2a77cf as the text (4.53:1)
  • AAA: use #1f5898 as the text (7.22:1)
  • AA: or shift the background to #262626 (4.52:1)
Aaon black
6.27:1passpassfail
  • AAA: use #5e9ade as the text (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4d8fdb as the background.

Brands using this color

Fonts for this mood

#4d8fdb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4d8fdb
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 #4d8fdb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4d8fdb-9caac4-df564e-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