Color

#4e80fd

#4e80fd
hex#4e80fd
rgbrgb(78, 128, 253)
hslhsl(223, 98%, 65%)
oklchoklch(0.631 0.194 264.9)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.2415

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fdcc4e

#4ed7fd · #744efd

#fd4e80 · #80fd4e

Split-complementary

Open in tool →

#fd744e · #d7fd4e

#fd4ed7 · #fdcc4e · #4efd74

Contrast

#4e80fd as textRatioAAAA largeAAAFix
Aaon white
3.6:1failpassfail
  • AA: use #306afd as the text (4.56:1)
  • AAA: use #0243e8 as the text (7.07:1)
  • AA: or shift the background to #1f1f1f (4.58:1)
Aaon black
5.83:1passpassfail
  • AAA: use #6892fd as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4e80fd as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#4e80fd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4e80fd
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 #4e80fd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4e80fd-9ca3c4-df704e-211f2d-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