Color

#4b5dc3

#4b5dc3
hex#4b5dc3
rgbrgb(75, 93, 195)
hslhsl(231, 50%, 53%)
oklchoklch(0.519 0.16 272.2)
Closest name: God of Rain (#4466cc)Relative luminance 0.1326

Colors that go with #4b5dc3

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 →

#c3b14b

#4b99c3 · #754bc3

#c34b5d · #5dc34b

Split-complementary

Open in tool →

#c3754b · #99c34b

#c34b99 · #c3b14b · #4bc375

Contrast

#4b5dc3 as textRatioAAAA largeAAAFix
Aaon white
5.75:1passpassfail
  • AAA: use #3c4eb4 as the text (7.14:1)
Aaon black
3.65:1failpassfail
  • AA: use #5e6ec9 as the text (4.55:1)
  • AAA: use #8591d6 as the text (7.02:1)
  • AA: or shift the background to #e6e6e6 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4b5dc3 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

#4b5dc3 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4b5dc3
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 #4b5dc3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4b5dc3-9c9ec4-df834e-231f2d-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