Color

#4e81da

#4e81da
hex#4e81da
rgbrgb(78, 129, 218)
hslhsl(218, 65%, 58%)
oklchoklch(0.61 0.146 260.8)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2238

Tints & shades

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

Harmonies

Complementary

Open in tool →

#daa64e

#4ec7da · #614eda

#da4e81 · #81da4e

Split-complementary

Open in tool →

#da614e · #c7da4e

#da4ec7 · #daa64e · #4eda61

Contrast

#4e81da as textRatioAAAA largeAAAFix
Aaon white
3.83:1failpassfail
  • AA: use #3972d5 as the text (4.62:1)
  • AAA: use #2454a8 as the text (7.22:1)
  • AA: or shift the background to #1a1a1a (4.54:1)
Aaon black
5.48:1passpassfail
  • AAA: use #6c96e0 as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4e81da 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

#4e81da reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4e81da
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #4e81da and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4e81da-9ca6c4-df644e-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