Color

#4d83ef

#4d83ef
hex#4d83ef
rgbrgb(77, 131, 239)
hslhsl(220, 84%, 62%)
oklchoklch(0.627 0.172 262.5)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.2404

Tints & shades

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

Harmonies

Complementary

Open in tool →

#efb94d

#4dd4ef · #684def

#ef4d83 · #83ef4d

Split-complementary

Open in tool →

#ef684d · #d4ef4d

#ef4dd4 · #efb94d · #4def68

Contrast

#4d83ef as textRatioAAAA largeAAAFix
Aaon white
3.62:1failpassfail
  • AA: use #316fed as the text (4.54:1)
  • AAA: use #124fca as the text (7.01:1)
  • AA: or shift the background to #1f1f1f (4.56:1)
Aaon black
5.81:1passpassfail
  • AAA: use #6997f2 as the text (7.31:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4d83ef 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

#4d83ef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4d83ef
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 #4d83ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4d83ef-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