Color

#4881cb

#4881cb
hex#4881cb
rgbrgb(72, 129, 203)
hslhsl(214, 56%, 54%)
oklchoklch(0.599 0.129 255.7)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2139

Colors that go with #4881cb

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 →

#cb9248

#48c3cb · #5148cb

#cb4881 · #81cb48

Split-complementary

Open in tool →

#cb5148 · #c3cb48

#cb48c3 · #cb9248 · #48cb51

Contrast

#4881cb as textRatioAAAA largeAAAFix
Aaon white
3.98:1failpassfail
  • AA: use #3876c7 as the text (4.58:1)
  • AAA: use #2a5793 as the text (7.28:1)
  • AA: or shift the background to #171717 (4.51:1)
Aaon black
5.28:1passpassfail
  • AAA: use #6c9ad5 as the text (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4881cb 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

#4881cb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4881cb
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 #4881cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4881cb-9ca9c4-df5a4e-1f1f2d-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