Color

#4c83fa

#4c83fa
hex#4c83fa
rgbrgb(76, 131, 250)
hslhsl(221, 95%, 64%)
oklchoklch(0.634 0.187 263.4)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.2467

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fac34c

#4cdafa · #6c4cfa

#fa4c83 · #83fa4c

Split-complementary

Open in tool →

#fa6c4c · #dafa4c

#fa4cda · #fac34c · #4cfa6c

Contrast

#4c83fa as textRatioAAAA largeAAAFix
Aaon white
3.54:1failpassfail
  • AA: use #296bfa as the text (4.59:1)
  • AAA: use #0649db as the text (7.04:1)
  • AA: or shift the background to #212121 (4.55:1)
Aaon black
5.93:1passpassfail
  • AAA: use #6594fb as the text (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4c83fa as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#4c83fa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4c83fa
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 #4c83fa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4c83fa-9ca4c4-df6b4e-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