Color

#4b5ae2

#4b5ae2
hex#4b5ae2
rgbrgb(75, 90, 226)
hslhsl(234, 72%, 59%)
oklchoklch(0.538 0.205 272.6)
Closest name: Arcane Brew (#5260e1)Relative luminance 0.143

Colors that go with #4b5ae2

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 →

#e2d34b

#4ba6e2 · #874be2

#e24b5a · #5ae24b

Split-complementary

Open in tool →

#e2874b · #a6e24b

#e24ba6 · #e2d34b · #4be287

Contrast

#4b5ae2 as textRatioAAAA largeAAAFix
Aaon white
5.44:1passpassfail
  • AAA: use #3142dd as the text (7.11:1)
Aaon black
3.86:1failpassfail
  • AA: use #5d6ae5 as the text (4.66:1)
  • AAA: use #848eeb as the text (7.05:1)
  • AA: or shift the background to #ebebeb (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4b5ae2 as the background.

Brands using this color

Fonts for this mood

#4b5ae2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4b5ae2
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 #4b5ae2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4b5ae2-9d9cc4-df8a4e-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