Color

#4b83ec

#4b83ec
hex#4b83ec
rgbrgb(75, 131, 236)
hslhsl(219, 81%, 61%)
oklchoklch(0.625 0.169 261.7)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2378

Colors that go with #4b83ec

Charcoal, Crimson and Amber lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ecb44b

#4bd4ec · #634bec

#ec4b83 · #83ec4b

Split-complementary

Open in tool →

#ec634b · #d4ec4b

#ec4bd4 · #ecb44b · #4bec63

Contrast

#4b83ec as textRatioAAAA largeAAAFix
Aaon white
3.65:1failpassfail
  • AA: use #2f70e9 as the text (4.55:1)
  • AAA: use #1451c2 as the text (7.03:1)
  • AA: or shift the background to #1f1f1f (4.52:1)
Aaon black
5.76:1passpassfail
  • AAA: use #6796ef as the text (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4b83ec 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

#4b83ec reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4b83ec
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #4b83ec and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4b83ec-9ca5c4-df664e-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