Color

#7a51d2

#7a51d2
hex#7a51d2
rgbrgb(122, 81, 210)
hslhsl(259, 59%, 57%)
oklchoklch(0.547 0.19 293.8)
Closest name: slateblue (#6a5acd)Relative luminance 0.1468

Colors that go with #7a51d2

Sea Green, Charcoal and Crimson 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 →

#a9d251

#5168d2 · #ba51d2

#d27a51 · #51d27a

Split-complementary

Open in tool →

#d2ba51 · #68d251

#d25168 · #a9d251 · #51d2ba

Contrast

#7a51d2 as textRatioAAAA largeAAAFix
Aaon white
5.34:1passpassfail
  • AAA: use #6434cb as the text (7.25:1)
Aaon black
3.94:1failpassfail
  • AA: use #8661d6 as the text (4.69:1)
  • AAA: use #a589e1 as the text (7.27:1)
  • AA: or shift the background to #ededed (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 #7a51d2 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

#7a51d2 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #7a51d2
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 #7a51d2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/7a51d2-ad9cc4-dfc74e-2a1f2d-e9ebf1?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