Color

#4881ea

#4881ea
hex#4881ea
rgbrgb(72, 129, 234)
hslhsl(219, 79%, 60%)
oklchoklch(0.618 0.17 261.4)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.2302

Colors that go with #4881ea

Copper, Amber and Charcoal 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.

Real palettes that use #4881ea

Tints & shades

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

Harmonies

Complementary

Open in tool →

#eab148

#48d1ea · #6148ea

#ea4881 · #81ea48

Split-complementary

Open in tool →

#ea6148 · #d1ea48

#ea48d1 · #eab148 · #48ea61

Contrast

#4881ea as textRatioAAAA largeAAAFix
Aaon white
3.75:1failpassfail
  • AA: use #3271e7 as the text (4.51:1)
  • AAA: use #1650bb as the text (7.24:1)
  • AA: or shift the background to #1c1c1c (4.55:1)
Aaon black
5.6:1passpassfail

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

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#4881ea reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

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

tool url/palettes/new/4881ea-9ca5c4-df664e-211f2d-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