Color

#4e71e4

#4e71e4
hex#4e71e4
rgbrgb(78, 113, 228)
hslhsl(226, 74%, 60%)
oklchoklch(0.584 0.179 267.8)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.1903

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e4c14e

#4ebce4 · #764ee4

#e44e71 · #71e44e

Split-complementary

Open in tool →

#e4764e · #bce44e

#e44ebc · #e4c14e · #4ee476

Contrast

#4e71e4 as textRatioAAAA largeAAAFix
Aaon white
4.37:1failpassfail
  • AA: use #496de4 as the text (4.57:1)
  • AAA: use #1f49d1 as the text (7.16:1)
  • AA: or shift the background to #0a0a0a (4.53:1)
Aaon black
4.81:1passpassfail
  • AAA: use #7a94eb as the text (7.26:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4e71e4 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

#4e71e4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4e71e4
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 #4e71e4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4e71e4-9ca1c4-df774e-221f2d-e9eff1?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