Color

#501cb0

#501cb0
hex#501cb0
rgbrgb(80, 28, 176)
hslhsl(261, 73%, 40%)
oklchoklch(0.41 0.208 289.4)
Closest name: Galactic Highway (#3311bb)Relative luminance 0.0567

Colors that go with #501cb0

Royal Blue, Denim and Midnight Blue 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 →

#7cb01c

#1c32b0 · #9a1cb0

#b0501c · #1cb050

Split-complementary

Open in tool →

#b09a1c · #32b01c

#b01c32 · #7cb01c · #1cb09a

Contrast

#501cb0 as textRatioAAAA largeAAAFix
Aaon white
9.84:1passpasspassPasses AAA — no fix needed.
Aaon black
2.13:1failfailfail
  • AA: use #8957e5 as the text (4.56:1)
  • AAA: use #a883ec as the text (7.12:1)
  • AA: or shift the background to #b0b0b0 (4.54:1)
  • AAA: or shift the background to #dbdbdb (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #501cb0 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

#501cb0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #501cb0
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 #501cb0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/501cb0-af9cc4-dfcb4e-2a1f2d-e9eaf1?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