Color

#b451d2

#b451d2
hex#b451d2
rgbrgb(180, 81, 210)
hslhsl(286, 59%, 57%)
oklchoklch(0.613 0.205 317.6)
Closest name: mediumorchid (#ba55d3)Relative luminance 0.2024

Colors that go with #b451d2

Olive Drab, Dark Cyan and Olive Green 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 →

#6fd251

#7351d2 · #d251b0

#d2b451 · #51d2b4

Split-complementary

Open in tool →

#b0d251 · #51d273

#d27351 · #6fd251 · #51b0d2

Contrast

#b451d2 as textRatioAAAA largeAAAFix
Aaon white
4.16:1failpassfail
  • AA: use #af44cf as the text (4.61:1)
  • AAA: use #892ba6 as the text (7.09:1)
  • AA: or shift the background to #121212 (4.5:1)
Aaon black
5.05:1passpassfail
  • AAA: use #c579dc as the text (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b451d2 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

#b451d2 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b451d2
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 #b451d2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b451d2-bd9fc1-adcb62-2d1f2a-ece9f1?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