Color

#4857cb

#4857cb
hex#4857cb
rgbrgb(72, 87, 203)
hslhsl(233, 56%, 54%)
oklchoklch(0.512 0.179 272.8)
Closest name: God of Rain (#4466cc)Relative luminance 0.1251

Colors that go with #4857cb

Charcoal, Sea Green 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 →

#cbbc48

#4899cb · #7a48cb

#cb4857 · #57cb48

Split-complementary

Open in tool →

#cb7a48 · #99cb48

#cb4899 · #cbbc48 · #48cb7a

Contrast

#4857cb as textRatioAAAA largeAAAFix
Aaon white
6:1passpassfail
  • AAA: use #3849c7 as the text (7.13:1)
Aaon black
3.5:1failpassfail
  • AA: use #606dd2 as the text (4.62:1)
  • AAA: use #8892dd as the text (7.2:1)
  • AA: or shift the background to #e0e0e0 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4857cb as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#4857cb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4857cb
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 #4857cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4857cb-9c9cc4-df884e-241f2d-e9eef1?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