Named color

Ultraberry

#770088
hex#770088
rgbrgb(119, 0, 136)
hslhsl(293, 100%, 27%)
oklchoklch(0.412 0.196 321.5)
Relative luminance 0.057

Ultraberry on this page is the real value, not a screenshot: exact hex, RGB, HSL and OKLCH, ten tints and ten shades, classic harmonies, and WCAG contrast with fixes — plus the curated palettes it appears in and any public brand that adopts it.

Colors that go with Ultraberry

Forest 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 →

#108a00

#35008a · #8a0055

#8a7a00 · #008a7a

Split-complementary

Open in tool →

#558a00 · #008a35

#8a3500 · #108a00 · #00558a

Contrast

Ultraberry as textRatioAAAA largeAAAFix
Aaon white
9.81:1passpasspassPasses AAA — no fix needed.
Aaon black
2.14:1failfailfail
  • AA: use #cb00e6 as the text (4.68:1)
  • AAA: use #ea4dff as the text (7:1)
  • AA: or shift the background to #b0b0b0 (4.53:1)
  • AAA: or shift the background to #dbdbdb (7.09:1)

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

Ultraberry reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around Ultraberry
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 #770088 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/770088-c19fc1-a1cb62-2d1f29-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