Color

#5837eb

#5837eb
hex#5837eb
rgbrgb(88, 55, 235)
hslhsl(251, 82%, 57%)
oklchoklch(0.504 0.25 281)
Closest name: Meteor Shower (#5533ff)Relative luminance 0.1081

Colors that go with #5837eb

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 →

#caeb37

#3770eb · #b237eb

#eb5837 · #37eb58

Split-complementary

Open in tool →

#ebb237 · #70eb37

#eb3770 · #caeb37 · #37ebb2

Contrast

#5837eb as textRatioAAAA largeAAAFix
Aaon white
6.64:1passpassfail
  • AAA: use #512eea as the text (7.17:1)
Aaon black
3.16:1failpassfail
  • AA: use #775def as the text (4.6:1)
  • AAA: use #9a86f3 as the text (7.08:1)
  • AA: or shift the background to #d6d6d6 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5837eb 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

#5837eb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5837eb
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 #5837eb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5837eb-a89cc4-dfb34e-281f2d-e9ecf1?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