Color

#5b67ec

#5b67ec
hex#5b67ec
rgbrgb(91, 103, 236)
hslhsl(235, 79%, 64%)
oklchoklch(0.578 0.198 274.5)
Closest name: Arcane Brew (#5260e1)Relative luminance 0.1798

Colors that go with #5b67ec

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 →

#ece05b

#5bafec · #975bec

#ec5b67 · #67ec5b

Split-complementary

Open in tool →

#ec975b · #afec5b

#ec5baf · #ece05b · #5bec97

Contrast

#5b67ec as textRatioAAAA largeAAAFix
Aaon white
4.57:1passpassfail
  • AAA: use #2d3ce6 as the text (7.24:1)
Aaon black
4.6:1passpassfail
  • AAA: use #848df1 as the text (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5b67ec as the background.

Brands using this color

Fonts for this mood

#5b67ec reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5b67ec
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 #5b67ec and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5b67ec-9e9cc4-df8d4e-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