Color

#4e83ef

#4e83ef
hex#4e83ef
rgbrgb(78, 131, 239)
hslhsl(220, 83%, 62%)
oklchoklch(0.628 0.172 262.8)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.2408

Tints & shades

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

Harmonies

Complementary

Open in tool →

#efb94e

#4ed4ef · #684eef

#ef4e83 · #83ef4e

Split-complementary

Open in tool →

#ef684e · #d4ef4e

#ef4ed4 · #efb94e · #4eef68

Contrast

#4e83ef as textRatioAAAA largeAAAFix
Aaon white
3.61:1failpassfail
  • AA: use #3270ec as the text (4.5:1)
  • AAA: use #134fc9 as the text (7.02:1)
  • AA: or shift the background to #1f1f1f (4.57:1)
Aaon black
5.82:1passpassfail
  • AAA: use #6594f1 as the text (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4e83ef 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

#4e83ef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4e83ef
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 #4e83ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4e83ef-9ca5c4-df694e-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