Color

#5142f0

#5142f0
hex#5142f0
rgbrgb(81, 66, 240)
hslhsl(245, 85%, 60%)
oklchoklch(0.517 0.247 277.2)
Closest name: Meteor Shower (#5533ff)Relative luminance 0.1194

Colors that go with #5142f0

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 →

#e1f042

#428bf0 · #a742f0

#f05142 · #42f051

Split-complementary

Open in tool →

#f0a742 · #8bf042

#f0428b · #e1f042 · #42f0a7

Contrast

#5142f0 as textRatioAAAA largeAAAFix
Aaon white
6.2:1passpassfail
  • AAA: use #4434ef as the text (7.04:1)
Aaon black
3.39:1failpassfail
  • AA: use #6b5ff2 as the text (4.54:1)
  • AAA: use #9289f5 as the text (7.12:1)
  • AA: or shift the background to #dedede (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 #5142f0 as the background.

Brands using this color

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

Palettes built around it

Fonts for this mood

#5142f0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5142f0
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 #5142f0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5142f0-a49cc4-dfa54e-261f2d-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